feat: add split view functionality with image rotation and flipping controls

ui/icons/horizontal-stacks-svgrepo-com.svg

@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Uploaded to: SVG Repo, www.svgrepo.com, Generator: SVG Repo Mixer Tools -->
+
+<svg
+   fill="#000000"
+   width="800px"
+   height="800px"
+   viewBox="0 0 16 16"
+   version="1.1"
+   id="svg1"
+   sodipodi:docname="horizontal-stacks-svgrepo-com.svg"
+   inkscape:version="1.4.2 (f4327f4, 2025-05-13)"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
+  <defs
+     id="defs1" />
+  <sodipodi:namedview
+     id="namedview1"
+     pagecolor="#ffffff"
+     bordercolor="#000000"
+     borderopacity="0.25"
+     inkscape:showpageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     inkscape:deskcolor="#d1d1d1"
+     inkscape:zoom="0.98875"
+     inkscape:cx="579.5196"
+     inkscape:cy="342.35145"
+     inkscape:window-width="3440"
+     inkscape:window-height="1369"
+     inkscape:window-x="-8"
+     inkscape:window-y="-8"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg1" />
+  <path
+     d="M 13.5,14.82 V 1.18 C 13.5,0.53 12.97,0 12.32,0 H 9.8 C 9.15,0 8.62,0.53 8.62,1.18 V 14.82 C 8.62,15.47 9.15,16 9.8,16 h 2.52 c 0.65,0 1.18,-0.53 1.18,-1.18 z M 9.88,14.75 V 1.25 h 2.37 v 13.5 z m -2.5,0.07 V 1.18 C 7.38,0.53 6.85,0 6.2,0 H 3.68 C 3.03,0 2.5,0.53 2.5,1.18 V 14.82 C 2.5,15.47 3.03,16 3.68,16 H 6.2 c 0.65,0 1.18,-0.53 1.18,-1.18 z M 3.75,14.75 V 1.25 h 2.38 v 13.5 z"
+     id="path1" />
+</svg>