Update extensions/shared.webpack.config.js

extensions/shared.webpack.config.js

@@ -15,6 +15,7 @@ const CopyWebpackPlugin = require('copy-webpack-plugin');
 const { NLSBundlePlugin } = require('vscode-nls-dev/lib/webpack-bundler');
 
 module.exports = function withDefaults(/**@type WebpackConfig*/extConfig) {
+	// Need to find the top-most `package.json` file
 	const folderName = path.relative(__dirname, extConfig.context).split(/[\\\/]/)[0];
 	const pkgPath = path.join(__dirname, folderName, 'package.json');
 	const pkg = JSON.parse(fs.readFileSync(pkgPath, 'utf8'));