feat: adds Pack in as headless CMS resource

Author: anguy95

src/site/headless-cms/pack.md

@@ -0,0 +1,68 @@
+---
+title: Pack
+homepage: https://www.packdigital.com/
+twitter: packdig
+opensource: "No"
+typeofcms: "API Driven"
+supportedgenerators:
+  - Remix, Next.js
+description: Build and manage performant Shopify Hydrogen storefronts that are flexible and easy to use.
+images:
+  - path: /img/cms/pack.png
+---
+
+Pack is a powerful storefront management tool that allows your team to build and manage performant Shopify Hydrogen storefronts that are flexible and easy to use.
+
+## How to get started
+
+- Check out our [dev documentation](https://docs.packdigital.com/).
+- Create a free account on [app.packdigital.com](http://app.packdigital.com/) to get started right away.
+
+## Use cases
+
+- **For development teams:**
+
+  - Build reusable components in React, without the limitations of a Shopify theme.
+  - Offload content management tasks to the marketing team.
+  - Use pre-built components and integrations to spin your storefront up quickly.
+  - Integrate with Hydrogen, metaobjects, and 3rd party apps
+  - Get support for Remix and Oxygen.
+  - Preserve your Shopify analytics
+
+- **For marketing teams:**
+
+  - Create, publish, and manage content, no developer required.
+  - Drag and drop pre-built components or metaobjects to create landing pages, product pages, collection pages, etc.
+  - Set up A/B tests to optimize for conversions
+  - Boost site speed and conversion rates
+  - Maximize the ROI of Shopify
+
+## Key features
+
+- **Visual headless CMS for Shopify**
+
+  - Hydrogen, [metaobjects](https://22338248.fs1.hubspotusercontent-na1.net/hubfs/22338248/Metaobjects.mp4), and product catalog integrations
+  - Content scheduling
+  - Content environments
+  - Bulk content management
+  - Customizer with visual page editor
+    - Real-time previews: see content appear on the page as you code or type
+    - Flexible components / content blocks
+
+- **Developer tools**
+
+  - React-based front end
+  - Native GitHub integration
+  - Shopify connector:
+    - Product catalog integration
+    - Hydrogen integration
+    - Oxygen support
+    - Remix support
+    - [Meta objects](https://22338248.fs1.hubspotusercontent-na1.net/hubfs/22338248/Metaobjects.mp4) integration
+  - 3rd party integrations library
+  - Components library / starter kit
+  - Dev workflows
+  - Alternate hosting options: Netlify or Vercel\*
+
+- **CRO tools**
+  - A/B Testing