refactor(cli): increase default GAP from 10 to 16

dot_local/bin/executable_omarchy-pip

@@ -27,7 +27,7 @@ esac
 FRACTION=0.3
 # Matches general:gaps_out so the window lines up with tiled neighbours and
 # its border stays on screen.
-GAP=10
+GAP=16
 
 # Lua dispatcher first, classic name as the pre-lua fallback (same shape as
 # the other omarchy-* scripts here).