"chore: add barcode scanner and clipboard plugins, update dev script to use yarn, and add new demo pages"

03_source/mobile/dev.sh

@@ -1,9 +1,9 @@
 #!/usr/bin/env bash
 
 while true; do
-  npm i -D
+  yarn -D
 
-  npm run dev
+  yarn run dev
 
   echo "restarting..."
   sleep 1