feat: @discordjs/proxy (#7925)

Co-authored-by: Parbez <imranbarbhuiya.fsd@gmail.com>

packages/proxy/tsup.config.ts

@@ -0,0 +1,20 @@
+import { defineConfig } from 'tsup';
+
+export default defineConfig({
+	clean: true,
+	dts: true,
+	entryPoints: ['src/index.ts'],
+	format: ['esm', 'cjs'],
+	minify: false,
+	keepNames: true,
+	skipNodeModulesBundle: true,
+	sourcemap: true,
+	target: 'es2021',
+	esbuildOptions: (options, context) => {
+		if (context.format === 'cjs') {
+			options.banner = {
+				js: '"use strict";',
+			};
+		}
+	},
+});