Merge pull request #2485 from axdank/move_current_Tab

gui: add move_current_tab action

src/input/Binding.zig

@@ -301,6 +301,11 @@ pub const Action = union(enum) {
     /// is higher than the number of tabs, this will go to the last tab.
     goto_tab: usize,
 
+    /// Moves a tab by a relative offset.
+    /// Adjusts the tab position based on `offset` (e.g., -1 for left, +1 for right).
+    /// If the new position is out of bounds, it wraps around cyclically within the tab range.
+    move_tab: isize,
+
     /// Toggle the tab overview.
     /// This only works with libadwaita enabled currently.
     toggle_tab_overview: void,
@@ -648,6 +653,7 @@ pub const Action = union(enum) {
             .next_tab,
             .last_tab,
             .goto_tab,
+            .move_tab,
             .toggle_tab_overview,
             .new_split,
             .goto_split,