change dir of cellAttachmentRenderer (#157671)

* change dir of cellAttachmentRenderer

* add new directories to `.vscodeignore`

* add the .js directories back in...

* hopefully now understanding `.vscodeignore`

extensions/ipynb/.vscodeignore

@@ -1,5 +1,6 @@
 .vscode/**
 src/**
+notebook-src/**
 out/**
 tsconfig.json
 extension.webpack.config.js

extensions/ipynb/esbuild.js

@@ -18,7 +18,7 @@ if (outputRootIndex >= 0) {
 	outputRoot = args[outputRootIndex + 1];
 }
 
-const srcDir = path.join(__dirname, 'src');
+const srcDir = path.join(__dirname, 'notebook-src');
 const outDir = path.join(outputRoot, 'notebook-out');
 
 async function build() {