Partners (#354)

* initial prototype of partners collection with featured collection support

* Starting to add the partners

* Preparing the repo for how the custom agents will work

* moving some files around

* Moving a bunch of stuff around to make the file easier to read

* improving the front matter parsing by using a real library

* Some verbage updates

* some more verbage

* Fixing spelling mistake

* tweaking badges

* Updating contributing guide to be correct

* updating casing to match product

* More agents

* Better handling link to mcp registry

* links to install mcp servers fixed up

* Updating collection tags

* writing the mcp registry url out properly

* Adding custom agents for C# and WinForms

Expert custom agents to improve your experience when working with C# and WinForms in Copilot

* Adding to agents readme

* Adding PagerDuty agent

* Fixing description for terraform agent

* Adding custom agents to the README usage

* Removing the button to make the links more obvious

* docs: relocate category READMEs to /docs and update generation + internal links

* Updating prompts for new path

* formatting

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Co-authored-by: Chris Patterson <chrispat@github.com>

CONTRIBUTING.md

@@ -183,7 +183,7 @@ For full example of usage checkout edge-ai tasks collection:
 1. **Fork this repository**
 2. **Create a new branch** for your contribution
 3. **Add your instruction, prompt file, chatmode, or collection** following the guidelines above
-4. **Run the update script** (optional): `node update-readme.js` to update the README with your new file
+4. **Run the update script**: `npm start` to update the README with your new file (make sure you run `npm install` first if you haven't already)
    - A GitHub Actions workflow will verify that this step was performed correctly
    - If the README.md would be modified by running the script, the PR check will fail with a comment showing the required changes
 5. **Submit a pull request** with: