feat: add additional MCP servers to crush.json

Add the following built MCP servers to crush.json configuration:
- blender-mcp
- cloudron-mcp
- docspace-mcp
- freecad-mcp
- gimp-mcp
- kicad-mcp

All servers configured with appropriate environment variables.

crush.json

@@ -60,6 +60,42 @@
         "PENPOT_TOKEN": "your-token-here"
       }
     },
+    "blender": {
+      "command": "docker",
+      "args": ["run", "-i", "--rm", "kneldevstack-aimiddleware-blender-mcp"]
+    },
+    "cloudron": {
+      "command": "docker",
+      "args": ["run", "-i", "--rm", "kneldevstack-aimiddleware-cloudron-mcp"],
+      "env": {
+        "CLOUDRON_URL": "https://cloudron.example.com",
+        "CLOUDRON_TOKEN": "your-cloudron-token-here"
+      }
+    },
+    "docspace": {
+      "command": "docker",
+      "args": ["run", "-i", "--rm", "kneldevstack-aimiddleware-docspace-mcp"],
+      "env": {
+        "DOCSPACE_HOST": "https://docspace.example.com",
+        "DOCSPACE_TOKEN": "your-docspace-token-here"
+      }
+    },
+    "freecad": {
+      "command": "docker",
+      "args": ["run", "-i", "--rm", "kneldevstack-aimiddleware-freecad-mcp"]
+    },
+    "gimp": {
+      "command": "docker",
+      "args": ["run", "-i", "--rm", "kneldevstack-aimiddleware-gimp-mcp"]
+    },
+    "kicad": {
+      "command": "docker",
+      "args": ["run", "-i", "--rm", "kneldevstack-aimiddleware-kicad-mcp"],
+      "env": {
+        "KICAD_HOST": "host.docker.internal",
+        "KICAD_PORT": "5555"
+      }
+    },
     "proxmox": {
       "command": "docker",
       "args": ["run", "-i", "--rm", "kneldevstack-aimiddleware-proxmox-mcp"],