build(deps-dev): add unbuild

Author: cossssmin

build.config.ts

@@ -0,0 +1,11 @@
+import { defineBuildConfig } from 'unbuild'
+
+export default defineBuildConfig({
+  rollup: {
+    emitCJS: true,
+  },
+  rootDir: './lib',
+  outDir: '../dist',
+  entries: ['index.js'],
+  declaration: true,
+})