feat(wm): add right-main-vertical-stack layout

This commit adds a new RightMainVerticalStack layout, adapting code from
the similarly named LeftWM layout.

It turns out that the horizontal axis flip on the VerticalStack does not
play well with resize offsets.

It was ultimately easier to implement this layout and the logic for
resizing both VerticalStack and RightMainVerticalStack independently
than to make resize offsets and horizontal axis flips work together.

I still have no idea why resize offsets and horizontal axis flips aren't
working properly together.

Horizontal axis flips have been disabled for both the VerticalStack and
RightMainVerticalStack layouts.

re #789

komorebi-core/src/default_layout.rs

@@ -30,6 +30,7 @@ pub enum DefaultLayout {
     HorizontalStack,
     UltrawideVerticalStack,
     Grid,
+    RightMainVerticalStack,
     // NOTE: If any new layout is added, please make sure to register the same in `DefaultLayout::cycle`
 }
 
@@ -44,7 +45,13 @@ impl DefaultLayout {
         sizing: Sizing,
         delta: i32,
     ) -> Option<Rect> {
-        if !matches!(self, Self::BSP) && !matches!(self, Self::UltrawideVerticalStack) {
+        if !matches!(
+            self,
+            Self::BSP
+                | Self::UltrawideVerticalStack
+                | Self::VerticalStack
+                | Self::RightMainVerticalStack
+        ) {
             return None;
         };
 
@@ -146,7 +153,8 @@ impl DefaultLayout {
             Self::VerticalStack => Self::HorizontalStack,
             Self::HorizontalStack => Self::UltrawideVerticalStack,
             Self::UltrawideVerticalStack => Self::Grid,
-            Self::Grid => Self::BSP,
+            Self::Grid => Self::RightMainVerticalStack,
+            Self::RightMainVerticalStack => Self::BSP,
         }
     }
 
@@ -159,7 +167,8 @@ impl DefaultLayout {
             Self::VerticalStack => Self::Rows,
             Self::Rows => Self::Columns,
             Self::Columns => Self::Grid,
-            Self::Grid => Self::BSP,
+            Self::Grid => Self::RightMainVerticalStack,
+            Self::RightMainVerticalStack => Self::BSP,
         }
     }
 }