docs: webpage docs skeleton (#631)

Author: csviri

Diff for: README.md

@@ -6,6 +6,7 @@
 Build Kubernetes Operators in Java without hassle. Inspired
 by [operator-sdk](https://github.com/operator-framework/operator-sdk).
 
+Our webpage with documentation is getting better every day: https://javaoperatorsdk.io/ 
 
 Table of Contents
 ==========

Diff for: docs/Gemfile.lock

@@ -74,11 +74,13 @@ GEM
     unicode-display_width (1.7.0)
 
 PLATFORMS
+  ruby
   universal-darwin-20
+  x86_64-linux
 
 DEPENDENCIES
   jekyll (~> 4.2)
   jekyll-github-metadata
 
 BUNDLED WITH
-   2.2.22
+   2.2.30

Diff for: docs/_data/sidebar.yml

@@ -1,7 +1,14 @@
  # Navbar menu navigation links
+  - title: Intro to Operators
+    url: /docs/intro-operators
   - title: Getting Started
     url: /docs/getting-started
-  - title: Contributing
-    url: /docs/contributing
   - title: How to use Samples
     url: /docs/using-samples
+  - title: Features
+    url: /docs/features
+  - title: FAQ
+    url: /docs/faq
+  - title: Contributing
+    url: /docs/contributing
+

Diff for: docs/documentation/faq.md

@@ -0,0 +1,7 @@
+---
+title: FAQ
+description: Frequently asked questions
+layout: docs
+permalink: /docs/faq
+---
+

Diff for: docs/documentation/features.md

@@ -0,0 +1,39 @@
+---
+title: Features
+description: Features of the SDK
+layout: docs
+permalink: /docs/features
+---
+
+# Features 
+
+## Controller Registration
+
+## Configurations
+
+## Finalizers
+
+### When not to Use Finalizers
+
+## Automatic Retries on Error
+
+### Correctness and automatic retry
+
+## Re-Scheduling Execution
+
+## Retry and Re-Scheduling Common Behavior
+
+## Handling Related Events with Event Sources
+
+### Caching and Event Sources
+
+### The CustomResourceEventSource
+
+### Built-in Event Sources
+
+## Monitoring with Micrometer
+
+
+
+
+

Diff for: docs/documentation/intro-operators.md

@@ -0,0 +1,12 @@
+---
+title: Introduction to Operators
+description: Introduction to Operators
+layout: docs
+permalink: /docs/intro-operators
+---
+
+# Introduction To Operators
+
+On this page we selected a collection of resources to introduce you to the concepts of Kubernetes Operators.
+
+