update installation steps

[bowenliang123]

• update installation steps using brew install langgenius/dify/dify with auto-tapped fomular to replace old-style tap and install steps

bw@bwdeMacBook-Pro-2 dify % brew install langgenius/dify/dify
==> Tapping langgenius/dify
Cloning into '/opt/homebrew/Library/Taps/langgenius/homebrew-dify'...
remote: Enumerating objects: 183, done.
remote: Counting objects: 100% (57/57), done.
remote: Compressing objects: 100% (40/40), done.
remote: Total 183 (delta 17), reused 22 (delta 13), pack-reused 126 (from 1)
Receiving objects: 100% (183/183), 40.45 KiB | 531.00 KiB/s, done.
Resolving deltas: 100% (57/57), done.
Tapped 1 formula (17 files, 58.1KB).
==> Fetching downloads for: dify
✔︎ Formula dify (0.3.2)
==> Installing dify from langgenius/dify
==> /opt/homebrew/Cellar/dify/0.3.2/bin/dify version
🍺  /opt/homebrew/Cellar/dify/0.3.2: 4 files, 28.4MB, built in 2 seconds
==> Running `brew cleanup dify`...

bw@bwdeMacBook-Pro-2 dify % brew upgrade dify
Warning: langgenius/dify/dify 0.3.2 already installed

bw@bwdeMacBook-Pro-2 dify % brew reinstall -f dify
==> Fetching downloads for: dify
✔︎ Formula dify (0.3.2)
==> Reinstalling langgenius/dify/dify 
==> /opt/homebrew/Cellar/dify/0.3.2/bin/dify version
🍺  /opt/homebrew/Cellar/dify/0.3.2: 4 files, 28.4MB, built in 2 seconds
==> Running `brew cleanup dify`...


bw@bwdeMacBook-Pro-2 dify % brew uninstall dify              
Uninstalling /opt/homebrew/Cellar/dify/0.3.2... (4 files, 28.4MB)

bw@bwdeMacBook-Pro-2 dify % brew untap langgenius/dify
Untapping langgenius/dify...
Untapped 1 formula (20 files, 63KB).