feat(create-medusa-app): add install Next.js storefront option (#4968)

* feat(create-medusa-app): add install Next.js storefront option

* added config for yes option

* added more instructions to exit message

* handle duplicate directories and next errors

* use next.js branch

* add line break in storefront question

* pass next.js directory name as env variable

* change question message

* address PR feedback

* fix(medusa-cli): remove .git directory in `new` command

* fix deleting a directory error

packages/medusa-cli/src/commands/new.ts

@@ -20,6 +20,7 @@ import reporter from "../reporter"
 import { getPackageManager, setPackageManager } from "../util/package-manager"
 import { PanicId } from "../reporter/panic-handler"
 import { clearProject } from "../util/clear-project"
+import path from "path"
 
 const removeUndefined = (obj) => {
   return Object.fromEntries(
@@ -641,6 +642,11 @@ medusa new ${rootPath} [url-to-starter]
     reporter.info("Final project preparations...")
     // remove demo files
     clearProject(rootPath)
+    // remove .git directory
+    fs.rmSync(path.join(rootPath, '.git'), {
+      recursive: true,
+      force: true,
+    })
   }
 
   successMessage(rootPath)