Initial commit: Gitea MCP server with 62 tools

- Full Gitea REST API coverage for repos, issues, PRs, branches,
  files, releases, webhooks, orgs, notifications
- Multi-instance support via config.json
- pyproject.toml with pinned dependencies (mcp[cli], httpx)
- config.example.json as credentials template (config.json is gitignored)

.mcp.json

@@ -0,0 +1,13 @@
+{
+  "mcpServers": {
+    "gitea": {
+      "command": "uv",
+      "args": [
+        "run",
+        "--project", "${CLAUDE_PLUGIN_ROOT}",
+        "${CLAUDE_PLUGIN_ROOT}/server/gitea_mcp.py",
+        "--config", "${CLAUDE_PLUGIN_ROOT}/config.json"
+      ]
+    }
+  }
+}