Update feature management MCP URL from /v1 to /fm and update CODEOWNERS (#20)

* Initial plan

* Replace /mcp/v1 with /fm in MCP server URL

Co-authored-by: nieblara <17378597+nieblara@users.noreply.github.com>

* Update .mcp.json

* Update CODEOWNERS to team-fm-foundations

Co-authored-by: nieblara <17378597+nieblara@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: nieblara <17378597+nieblara@users.noreply.github.com>
Co-authored-by: Ramon Niebla <rniebla@launchdarkly.com>

Author: Copilot

.mcp.json

@@ -2,7 +2,7 @@
   "mcpServers": {
     "LaunchDarkly": {
       "type": "http",
-      "url": "https://mcp.launchdarkly.com/mcp/v1",
+      "url": "https://mcp.launchdarkly.com/mcp/fm",
       "headers": {}
     }
   }