Reorganize the README to add instructions and Public Weekly Link (grafana#1448)

* Reorganize the README

* center alignment

* update heading level

* update slack link

* add a codeowners file

* newline

Author: ishanjainn

CODEOWNERS

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+* @NissesSenap @weisdd @ishanjainn @theSuess @HubertStefanski @pb82

README.md

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+<div align="center">
+
 # Grafana Operator
 
-[![Grafana](https://img.shields.io/badge/grafana-%23F46800.svg?&logo=grafana&logoColor=white)](https://grafana.com)
+[![Grafana](https://img.shields.io/badge/grafana-%23F46800.svg?&logo=grafana&logoColor=white)](https://grafana.com/)
 [![Grafana Operator](https://img.shields.io/badge/Grafana%20Operator-orange)](https://grafana.github.io/grafana-operator/)
 [![GitHub tag](https://img.shields.io/github/tag/grafana/grafana-operator.svg)](https://github.com/grafana/grafana-operator/tags)
 [![GitHub Last Commit](https://img.shields.io/github/last-commit/grafana/grafana-operator)](https://github.com/grafana/grafana-operator/tags)
 [![GitHub Contributors](https://img.shields.io/github/contributors/grafana/grafana-operator)](https://github.com/grafana/grafana-operator/tags)
 
-The Grafana Operator is a Kubernetes operator built to help you manage your Grafana instances in and outside of
-Kubernetes.
-
-We make it possible for you to manage and share your grafana resources through code between multiple instances in an
-easy and scalable way.
+**[Official Documentation](https://grafana-operator.github.io/grafana-operator/)** | **[Quickstart](#getting-started)** | **[Installation](#installation)** | **[Tutorials](https://grafana.com/docs/grafana-cloud/developer-resources/infrastructure-as-code/grafana-operator/)**
 
-Find out more on our official website:
-***[grafana.github.io/grafana-operator](https://grafana-operator.github.io/grafana-operator/).***
+</div>
 
-## Some Convincing Benefits
+The Grafana Operator is a Kubernetes operator built to help you manage your Grafana instances and its resources in and outside of
+Kubernetes.
 
-Why go with the Grafana-operator over a standard standalone Grafana deployment for your monitoring stack?
+Whether you’re running one Grafana instance or many, the Grafana Operator simplifies the processes of installing, configuring, and maintaining Grafana and its resources. Additionally, it's perfect for those who prefer to manage resources using infrastructure as code or using GitOps workflows through tools like ArgoCD and Flux CD.
 
-If [the benefits of using an operator over standalone products as outlined by the people that created them](https://operatorframework.io/)
-and our current high-profile users aren't enough to convince you, here's some more:
+## Getting Started
 
-- The ability to run a multi-namespace, multi-instance Grafana deployment without having to concern yourself with the
-  overhead of managing it!
-    - Management of Dashboards, Datasources, Plugins etc. through code
-        - Efficient dashboard management through Jsonnet/Grafonnet, plugins and folders
-    - Agnostic deployment on k8s and Openshift
-        - The operator knows what environment it runs, and adjust the deployment accordingly without user interference!
-    - Management of external Grafana instances
-        - Run the operator for off-cluster instances and leverage the benefits of GitOps without abandoning your
-          previous instances!
-- Multi-Arch builds and container images.
-- Operatorhub/OLM support (Allows you to install the operator with a few clicks).
+### Installation
+
+**Option 1: Helm Chart**
+
+Deploy the Grafana Operator easily in your cluster using Helm:
+
+```bash
+helm upgrade -i grafana-operator oci://ghcr.io/grafana/helm-charts/grafana-operator --version v5.6.3
+```
+
+**Option 2: Kustomize & More**
+
+Prefer Kustomize, Openshift OLM, or Kubernetes directly? Find detailed instructions in our [Installation Guide](https://grafana.github.io/grafana-operator/docs/installation/kustomize/).
+
+For even more detailed setups, see our [documentation](docs/README.md).
+
+### Example: Deploying Grafana & A Dashboard
+
+Here's a simple example of deploying Grafana and a Grafana Dashboard using the custom resources (CRs) defined by the Grafana Operator:
+
+```yaml
+apiVersion: grafana.integreatly.org/v1beta1
+kind: Grafana
+metadata:
+  name: grafana
+  labels:
+    dashboards: "grafana"
+spec:
+  config:
+    log:
+      mode: "console"
+    auth:
+      disable_login_form: false
+    security:
+      admin_user: root
+      admin_password: secret
+
+---
+apiVersion: grafana.integreatly.org/v1beta1
+kind: GrafanaDashboard
+metadata:
+  name: sample-dashboard
+spec:
+  resyncPeriod: 30s
+  instanceSelector:
+    matchLabels:
+      dashboards: "grafana"
+  json: >
+    {
+      "title": "Simple Dashboard",
+      "timezone": "browser",
+      "refresh": "5s",
+      "panels": [],
+      "time": {
+        "from": "now-6h",
+        "to": "now"
+      }
+    }
+```
+
+For more tailored setups and resources management, check out these guides:
+
+- [Managing Data Sources and Dashboards](https://grafana.com/docs/grafana-cloud/developer-resources/infrastructure-as-code/grafana-operator/operator-dashboards-folders-datasources/)
+- [GitOps Dashboards Management with ArgoCD](https://grafana.com/docs/grafana-cloud/developer-resources/infrastructure-as-code/grafana-operator/manage-dashboards-argocd/)
+
+## Why Grafana Operator?
+
+Switching to Grafana Operator from traditional deployments amplifies your efficiency by:
+
+- Enabling multi-instance and multi-namespace Grafana deployments effortlessly.
+- Simplifying dashboard, data sources, and plugin management through code.
+- Supporting both Kubernetes and Openshift with smart adjustments based on the environment.
+- Allowing management of external Grafana instances for robust GitOps integration.
+- Providing multi-architecture support, making it versatile across different platforms.
+- Offering one-click installation through Operatorhub/OLM.
 
 ## Get In Touch!
 
-The best way to reach us is to file an issue on
-***[Issues Tab](https://github.com/grafana/grafana-operator/issues)***
-or click on the ***[Slack Icon](https://kubernetes.slack.com/archives/C019A1KTYKC)*** below
-
-We're happy to help out in all grafana-operator issues, and if you're not sure, we'll point you in the right direction!
+Got questions or suggestions? Let us know! The quickest way to reach us is through our [GitHub Issues](https://github.com/grafana/grafana-operator/issues) or by joining our weekly public meeting on Tuesdays at 12:30 PM UTC (link [here](https://meet.google.com/spw-jtbk-mwj)).
 
-<a href="https://kubernetes.slack.com/archives/C019A1KTYKC"><img src= "./media/slack.png" align='middle'  width=100 height=100 ></a>
-
-## Getting Started
+Feel free to drop into our Grafana Operator discussions on:
 
-All of our releases are available through
+[![Kubernetes Slack](https://img.shields.io/badge/kubernetes%20slack-white?logo=slack&logoColor=black)](https://kubernetes.slack.com/archives/C019A1KTYKC) [![Grafana Slack](https://img.shields.io/badge/grafana%20community%20Slack-4A254A?logo=slack&logoColor=white)](https://join.slack.com/t/grafana/shared_invite/zt-2eqidcplt-QzkxMuhZA4tGQeFQenE_MQ)
 
-- Helm
-- Kustomize
-- Openshift OLM and Kubernetes ***[Operator Hub](https://operatorhub.io/operator/grafana-operator)***
 
-Follow our ***[docs](docs/README.md)*** for more installation specific instructions
 
-### Development And Local Deployment
+## Contributing
 
 For more information on how to contribute to the operator look at [CONTRIBUTING.md](CONTRIBUTING.md).