feat(ui): swap layouts and stacked panes (#2167)

* relayout working with hard coded layout

* work

* refactor(layout): PaneLayout => TiledPaneLayout

* tests passing

* tests passing

* tests passing

* stacked panes and passing tests

* tests for stacked panes

* refactor(panes): stacked panes

* fix: focusing into stacked panes from the left/right

* fix(layouts): handle stacked layouts in the middle of the screen

* fix(pane-stack): focus correctly when coming to stack from above/below

* fix(stacked-panes): resize stack

* fix(stacked-panes): focus with mouse

* fix(stacked-panes): focus next pane

* fix(layout-applier): sane focus order

* fix(stacked-panes): better titles for one-liners

* fix(stacked-panes): handle moving pane location in stack

* fix(relayout): properly calculate display area

* fix(relayout): properly calculate rounding errors

* fix(stacked-panes): properly handle closing a pane near a stack

* fix(swap-layouts): adjust swap layout sort order

* feat(swap-layouts): ui + ux

* fix(swap-layouts): include base layout

* refactor(layout): remove unused method

* fix(swap-layouts): respect pane contents and focus

* work

* fix(swap-layouts): load swap layouts from external file

* fix(swap-layouts): properly truncate layout children

* fix(stacked-panes): allow stacked panes to become fullscreen

* fix(swap-layouts): work with multiple tabs

* fix(swap-layouts): embed/eject panes properly with auto-layout

* fix(stacked-panes): close last pane in stack

* fix(stacked-panes): move focus for all clients in stack

* fix(floating-panes): set layout damaged when moving panes

* fix(relayout): move out of unfitting layout when resizing whole tab

* fix(ui): background color for swap layout indicator

* fix(keybinds): add switch next layout in tmux

* fix(ui): swap layout indication in compact layout

* fix(compact): correct swap constraint

* fix(tests): tmux swap config shortcut

* fix(resizes): cache resizes so as not to confuse panes (eg. vim) with multiple resizes that it debounces weirdly

* feat(cli): dump swap layouts

* fix(ui): stacked panes without pane frames

* fix(ux): move pane forward/backwards also with floating panes

* refactor(lint): remove unused stuff

* refactor(tab): move swap layouts to separate file

* style(fmt): rustfmt

* style(fmt): rustfmt

* refactor(panes): various cleanups

* chore(deps): upgrade termwiz to get alt left-bracket

* fix(assets): merge conflicts of binary files

* style(fmt): rustfmt

* style(clippy): no thank you!

* chore(repo): remove garbage file

62 files changed, 6688 insertions, 2260 deletions

diff --git a/zellij-utils/src/cli.rs b/zellij-utils/src/cli.rs
index 1ef43e27f..ea0b8d728 100644
--- a/zellij-utils/src/cli.rs
+++ b/zellij-utils/src/cli.rs
@@ -180,9 +180,13 @@ pub enum Sessions {
 #[derive(Debug, Subcommand, Clone, Serialize, Deserialize)]
 pub enum CliAction {
     /// Write bytes to the terminal.
-    Write { bytes: Vec<u8> },
+    Write {
+        bytes: Vec<u8>,
+    },
     /// Write characters to the terminal.
-    WriteChars { chars: String },
+    WriteChars {
+        chars: String,
+    },
     /// [increase|decrease] the focused panes area at the [left|down|up|right] border.
     Resize {
         resize: Resize,
@@ -193,13 +197,21 @@ pub enum CliAction {
     /// Change focus to the previous pane
     FocusPreviousPane,
     /// Move the focused pane in the specified direction. [right|left|up|down]
-    MoveFocus { direction: Direction },
+    MoveFocus {
+        direction: Direction,
+    },
     /// Move focus to the pane or tab (if on screen edge) in the specified direction
     /// [right|left|up|down]
-    MoveFocusOrTab { direction: Direction },
-    /// Change the location of the focused pane in the specified direction
+    MoveFocusOrTab {
+        direction: Direction,
+    },
+    /// Change the location of the focused pane in the specified direction or rotate forwrads
     /// [right|left|up|down]
-    MovePane { direction: Direction },
+    MovePane {
+        direction: Option<Direction>,
+    },
+    /// Rotate the location of the previous pane backwards
+    MovePaneBackwards,
     /// Dump the focused pane to a file
     DumpScreen {
         path: PathBuf,
@@ -296,7 +308,9 @@ pub enum CliAction {
         cwd: Option<PathBuf>,
     },
     /// Switch input mode of all connected clients [locked|pane|tab|resize|move|search|session]
-    SwitchMode { input_mode: InputMode },
+    SwitchMode {
+        input_mode: InputMode,
+    },
     /// Embed focused pane if floating or float focused pane if embedded
     TogglePaneEmbedOrFloating,
     /// Toggle the visibility of all fdirectionloating panes in the current Tab, open one if none exist
@@ -304,7 +318,9 @@ pub enum CliAction {
     /// Close the focused pane.
     ClosePane,
     /// Renames the focused pane
-    RenamePane { name: String },
+    RenamePane {
+        name: String,
+    },
     /// Remove a previously set pane name
     UndoRenamePane,
     /// Go to the next tab.
@@ -314,7 +330,9 @@ pub enum CliAction {
     /// Close the current tab.
     CloseTab,
     /// Go to tab with index [index]
-    GoToTab { index: u32 },
+    GoToTab {
+        index: u32,
+    },
     /// Go to tab with name [name]
     GoToTabName {
         name: String,
@@ -323,7 +341,9 @@