add script to manage focus on devel workspace

bin/sway-focus

@@ -0,0 +1,19 @@
+#!/usr/bin/env python
+from i3ipc import Connection
+import sys
+
+try:
+    mark=sys.argv[1]
+except IndexError:
+    mark=None
+
+c = Connection()
+c.command('workspace 1')
+
+# Focus on widest window
+windows = c.get_tree().find_focused().workspace().descendants()
+w = sorted(windows, key=lambda w: w.window_rect.width)[-1]
+w.command('focus')
+
+if mark:
+    w.command(f'swap container with mark {mark}')