add some new tools

README.md

@@ -3,15 +3,15 @@
 
  * Homebrew: http://brew.sh
  * Spectacle: https://www.spectacleapp.com
+ * Shortcat: https://shortcat.app
  * Tunnelblick: https://tunnelblick.net
  * iTerm2: https://iterm2.com
  * Caffeine: http://lightheadsw.com/caffeine/
  * Flycut: https://github.com/TermiT/Flycut/releases
- * Visual Studio Code: https://code.visualstudio.com/Download
- * Notable: https://notable.app
  * Nextcloud: https://nextcloud.com/install/
  * Open-source fonts via brew: https://github.com/Homebrew/homebrew-cask-fonts
  * displayplacer: https://github.com/jakehilborn/displayplacer
+ * Obsidian: https://obsidian.md
 
 ### Work related software
  * Docker: https://www.docker.com/products/docker-desktop