Update branch moving docs and video formatting (#133)

Shortened the page title to 'Moving Branches' and improved video source formatting for clarity. Minor whitespace adjustments for consistency.

Author: PavelLaptev

content/docs/features/branch-management/moving-branches.mdx

@@ -1,5 +1,5 @@
 ---
-title: Moving Branches Between Stacks
+title: Moving Branches
 description: Learn how to reorganize your branches by moving them between different stacks
 ---
 
@@ -19,11 +19,13 @@ You can move a branch from one stack to another by dragging it to a specific pos
 When you hover over a valid drop target during the drag operation, you'll see visual indicators showing where the branch will be placed.
 
 <video width="100%" controls muted>
-  <source src="https://gitbutler-docs-images-public.s3.us-east-1.amazonaws.com/drag-branches.mp4" type="video/mp4" />
+  <source
+    src="https://gitbutler-docs-images-public.s3.us-east-1.amazonaws.com/drag-branches.mp4"
+    type="video/mp4"
+  />
   Your browser does not support the video tag.
 </video>
 
-
 ### Drop Zones
 
 There are two types of drop zones when moving branches:
@@ -45,7 +47,10 @@ You can also separate a branch from its current stack and create a new independe
 This creates a new standalone stack containing just that branch.
 
 <video width="100%" controls muted>
-  <source src="https://gitbutler-docs-images-public.s3.us-east-1.amazonaws.com/tearoff-stack.mp4" type="video/mp4" />
+  <source
+    src="https://gitbutler-docs-images-public.s3.us-east-1.amazonaws.com/tearoff-stack.mp4"
+    type="video/mp4"
+  />
   Your browser does not support the video tag.
 </video>
 
@@ -75,7 +80,6 @@ If you're using GitHub integration and the branch has an associated pull request
 - **PR descriptions are automatically updated** - The PR base and description are updated to reflect the new stack structure
 - **Stack PRs are synchronized** - All PRs in both the source and target stacks have their descriptions updated to maintain proper stacking information
 
-
 ## Related Features
 
 - [Stacked Branches](/docs/features/branch-management/stacked-branches) - Learn about working with stacked branches