add moveing of tabs and groups, multi browser support, auto complite into terminal, extract html and adding testing

browser_cli/commands/navigate.py

@@ -72,7 +72,7 @@ def cmd_forward(tab_id):
 @nav_group.command("focus")
 @click.argument("pattern")
 def cmd_focus(pattern):
-    """Jump to the first tab whose URL matches PATTERN."""
+    """Jump to a tab by URL pattern or tab ID."""
     result = _handle("navigate.focus", {"pattern": pattern})
     if result:
         console.print(f"[green]Focused:[/green] {result.get('url', result)}")