try npm instead of pnpm for gitpod

Author: Jutanium

.gitpod.yml

@@ -3,5 +3,5 @@
 # and commit this file to your remote git repository to share the goodness with others.
 
 tasks:
-  - init: pnpm install
-    command: pnpm run dev
+  - init: npm install
+    command: npm run dev