Add feature-rich statusline with colors and git status

- Display user@host:path with colored output
- Show git branch with  icon and file status indicators
- Include context window usage percentage with color coding
- Use Nerd Font icons for visual appeal

settings.json

@@ -37,7 +37,7 @@
   },
   "statusLine": {
     "type": "command",
-    "command": "printf '\\033[01;32m%s@%s\\033[00m:\\033[01;34m%s\\033[00m' \"$(whoami)\" \"$(hostname -s)\" \"$(pwd)\""
+    "command": "/home/bill/.claude/statusline-command.sh"
   },
   "enabledPlugins": {
     "superpowers@superpowers-marketplace": true,