chore: monorepo setup (#7175)

packages/rest/babel.config.js

@@ -0,0 +1,22 @@
+/**
+ * @type {import('@babel/core').TransformOptions}
+ */
+module.exports = {
+	parserOpts: { strictMode: true },
+	sourceMaps: 'inline',
+	presets: [
+		[
+			'@babel/preset-env',
+			{
+				targets: { node: 'current' },
+				modules: 'commonjs',
+			},
+		],
+		'@babel/preset-typescript',
+	],
+	plugins: [
+		['const-enum', { transform: 'constObject' }],
+		'babel-plugin-transform-typescript-metadata',
+		['@babel/plugin-proposal-decorators', { legacy: true }],
+	],
+};