WIP: clangd improvements

- new example: socket.io for file protocol to non worker target
- define file system endpoints
- clangd LS uses message port for communication
- Use wtm new ComChannelEndpoints for handling async communication of message channels or workers
- worker transfers files to client via message channel
- clangd example: list open files below editor

index.html

@@ -74,6 +74,7 @@ <h2>Monaco Editor React</h2>
         <h3>monaco-editor related examples</h3>
         <a href="./packages/examples/ts.html">Monaco Editor Wrapper TypeScript Example</a>
         <br>
+        <a href="./packages/examples/files.html">Files Testbed</a>
 
         <h2>Verification</h2>
         <h3>Angular</h2>

packages/client/package.json

@@ -31,6 +31,10 @@
     "./vscode/services": {
       "types": "./lib/vscode/index.d.ts",
       "default": "./lib/vscode/index.js"
+    },
+    "./fs": {
+      "types": "./lib/fs/index.d.ts",
+      "default": "./lib/fs/index.js"
     }
   },
   "typesVersions": {
@@ -43,6 +47,9 @@
       ],
       "vscode/services": [
         "lib/vscode/index"
+      ],
+      "fs": [
+        "lib/fs/index"
       ]
     }
   },