Add crush.json with LSP configurations for Crush integration

- Configure bash-language-server with stdio mode
- Configure docker-language-server with stdio mode
- Configure marksman markdown LSP with server mode
- Follows Crush json schema for docker-based LSP instances

crush.json

@@ -0,0 +1,17 @@
+{
+  "$schema": "https://charm.land/crush.json",
+  "lsp": {
+    "bash": {
+      "command": "docker",
+      "args": ["run", "-i", "--rm", "KNELDevStack-AIMiddleware-bash-language-server", "start"]
+    },
+    "docker": {
+      "command": "docker",
+      "args": ["run", "-i", "--rm", "KNELDevStack-AIMiddleware-docker-language-server", "start", "--stdio"]
+    },
+    "markdown": {
+      "command": "docker",
+      "args": ["run", "-i", "--rm", "KNELDevStack-AIMiddleware-marksman", "server"]
+    }
+  }
+}