Add ContextMatic Plugin (#1166)

* initial commit

* review changes

* Update skills/integrate-context-matic/SKILL.md

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* mcp server renamed in onboarding skill

* Update SKILL.md

* Update README.md

* Apply suggestion from @Copilot

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* fix: improve skill.md

* concise description

* Apply suggestion from @Copilot

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* review changes

* update readme for plugin directory

* Update plugins/context-matic/.github/plugin/plugin.json

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update plugins/context-matic/README.md

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update skills/onboard-context-matic/SKILL.md

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update skills/onboard-context-matic/SKILL.md

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* review changes

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Muhammad Sohail <62895181+sohail2721@users.noreply.github.com>

plugins/context-matic/.github/plugin/plugin.json

@@ -0,0 +1,25 @@
+{
+  "name": "context-matic",
+  "description": "General-purpose AI models are trained on public code and documentation, much of it outdated. They have no awareness of an actual API version, latest SDKs, or recommended workflows. ContextMatic gives GitHub Copilot deterministic, version-aware API context generated directly from API definitions and SDKs. Instead of guessing from public examples, the agent is grounded in current SDK versions, idiomatic code samples, and recommended integration workflows.",
+  "version": "0.1.0",
+  "keywords": [
+    "api-context",
+    "api-integration",
+    "mcp",
+    "sdk",
+    "apimatic",
+    "third-party-apis",
+    "sdks"
+  ],
+  "author": {
+    "name": "APIMatic",
+    "email": "developer@apimatic.io"
+  },
+  "homepage": "https://www.apimatic.io",
+  "repository": "https://github.com/github/awesome-copilot",
+  "license": "MIT",
+  "skills": [
+    "./skills/integrate-context-matic/",
+    "./skills/onboard-context-matic/"
+  ]
+}