feat(admin,admin-ui,medusa): Add Medusa Admin plugin (#3334)

packages/admin-ui/src/index.ts

@@ -0,0 +1,28 @@
+import fse from "fs-extra"
+import { resolve } from "path"
+import vite from "vite"
+import { AdminBuildConfig } from "./types"
+import { getCustomViteConfig } from "./utils"
+
+async function build(options?: AdminBuildConfig) {
+  const config = getCustomViteConfig(options)
+
+  await vite.build(config).catch((_err) => {
+    process.exit(1)
+  })
+
+  await fse.writeJSON(
+    resolve(config.build.outDir, "build-manifest.json"),
+    options
+  )
+}
+
+async function watch() {
+  throw new Error("Not implemented")
+}
+
+async function clean() {
+  throw new Error("Not implemented")
+}
+
+export { build, watch, clean }