chore: add .mcp.json

Author: pythoninthegrass

{{cookiecutter.project_slug}}/.mcp.json

@@ -0,0 +1,24 @@
+{
+  "mcpServers": {
+    "backlog": {
+      "command": "backlog",
+      "args": ["mcp", "start"]
+    },
+    "context7": {
+      "command": "npx",
+      "args": ["-y", "@upstash/context7-mcp"]
+    },
+    "serena": {
+      "command": "uvx",
+      "args": [
+        "--from",
+        "git+https://github.com/oraios/serena",
+        "serena",
+        "start-mcp-server",
+        "--context",
+        "ide",
+        "--project-from-cwd"
+      ]
+    }
+  }
+}