Removing hooks, workflows, and tools from website (#2292)

* Removing some features from the home page of the website

hooks, agentic workflows, and tools are removed - these are minimally used parts of the website

* Removing the pages and their references

* removing from the readme

* Adding the awesome copilot MCP server to our plugin and showing that in the rendered page

* Fix broken docs links and MCP plugin docs

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Copilot-Session: 4215785a-7e6e-49c5-abaa-c39b0793a11e

website/astro.config.mjs

@@ -129,11 +129,8 @@ export default defineConfig({
             { label: "Agents", link: "/agents/" },
             { label: "Instructions", link: "/instructions/" },
             { label: "Skills", link: "/skills/" },
-            { label: "Hooks", link: "/hooks/" },
-            { label: "Workflows", link: "/workflows/" },
             { label: "Canvas Extensions", link: "/extensions/" },
             { label: "Plugins", link: "/plugins/" },
-            { label: "Tools", link: "/tools/" },
             { label: "Contributors", link: "/contributors/" },
           ],
         },