Improve ext.sh and succeed to package

ext.sh

@@ -1,16 +1,22 @@
 #!/bin/bash
 
+# install nvm and node first
+# curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.1/install.sh | bash
+# source ~/.bashrc or source ~/.zshrc
+# nvm ls-remote
+# nvm install v22.9.0
+
 # generate a randome string less than 32 characters
 RANDOM_ID=$(head -c 16 /dev/urandom | xxd -p | head -c 16)
 
 git clone https://github.com/utensil/vscode-forester.git /tmp/vscode-forester-$RANDOM_ID
 cd /tmp/vscode-forester-$RANDOM_ID
 git checkout dev
-bun install
+npm install
 
 # https://stackoverflow.com/a/54409592/200764
 npm install -g vsce
 
-# bunx vsce package
+npx vsce package
 # code --install-extension my-extension-0.0.1.vsix
 rm -rf /tmp/vscode-forester-$RANDOM_ID