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

---------

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

.schemas/collection.schema.json

@@ -50,13 +50,13 @@
           "path": {
             "type": "string",
             "description": "Relative path from repository root to the item file",
-            "pattern": "^(prompts|instructions|chatmodes)\/[^\/]+\\.(prompt|instructions|chatmode)\\.md$",
+            "pattern": "^(prompts|instructions|chatmodes|agents)/[^/]+\\.(prompt|instructions|chatmode|agent)\\.md$",
             "minLength": 1
           },
           "kind": {
             "type": "string",
             "description": "Type of the item",
-            "enum": ["prompt", "instruction", "chat-mode"]
+            "enum": ["prompt", "instruction", "chat-mode", "agent"]
           },
           "usage": {
             "type": "string",
@@ -81,6 +81,11 @@
           "type": "boolean",
           "description": "Whether to show collection badge on items",
           "default": false
+        },
+        "featured": {
+          "type": "boolean",
+          "description": "Whether this collection is featured on the main page",
+          "default": false
         }
       }
     }