feat: configure MCP servers for Serena, Context7 and Git integration

Add comprehensive MCP server configuration including:
- Serena AI assistant with web dashboard disabled
- Context7 documentation server for library lookups
- Git server with repository access permissions

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

.mcp.json

@@ -15,9 +15,14 @@
       "type": "http",
       "url": "https://mcp.context7.com/mcp"
     },
-    "github": {
-      "type": "http",
-      "url": "https://api.githubcopilot.com/mcp"
+    "git": {
+      "command": "uvx",
+      "args": [
+        "mcp-server-git"
+      ],
+      "env": {
+        "MCP_GIT_ALLOW": "/home/knee-cola/web-pro/evidencija-rezija"
+      }
     }
   }
 }