Implement image rotation

lector/resources/raw/LightIcons/rotate-left.svg

@@ -0,0 +1,8 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="22" height="22" viewBox="0 0 22 22">
+ <defs>
+  <style id="current-color-scheme" type="text/css">
+   .ColorScheme-Text { color:#dfdfdf; } .ColorScheme-Highlight { color:#4285f4; }
+  </style>
+ </defs>
+ <path style="fill:currentColor" class="ColorScheme-Text" d="M 8.0292969 0.001953125 L 4.0292969 3.0019531 L 8.0292969 6.0019531 L 8.0292969 4.0019531 C 10.238397 4.0019531 12.029297 5.7928531 12.029297 8.0019531 C 12.029297 10.211053 10.238397 12.001953 8.0292969 12.001953 C 5.8201969 12.001953 4.0292969 10.211053 4.0292969 8.0019531 A 1 1 0 0 0 3.0292969 7.0019531 A 1 1 0 0 0 2.0292969 8.0019531 A 1 1 0 0 0 2.0351562 8.1015625 C 2.0889563 11.368762 4.7491969 14.001953 8.0292969 14.001953 C 11.342997 14.001953 14.029297 11.315653 14.029297 8.0019531 C 14.029297 4.6882531 11.342997 2.0019531 8.0292969 2.0019531 L 8.0292969 0.001953125 z" transform="translate(3 3)"/>
+</svg>

lector/resources/raw/LightIcons/rotate-right.svg

@@ -0,0 +1,8 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="22" height="22" viewBox="0 0 22 22">
+ <defs>
+  <style id="current-color-scheme" type="text/css">
+   .ColorScheme-Text { color:#dfdfdf; } .ColorScheme-Highlight { color:#4285f4; }
+  </style>
+ </defs>
+ <path style="fill:currentColor" class="ColorScheme-Text" d="M 7.9804688 0.001953125 L 7.9804688 2.0019531 C 4.6667688 2.0019531 1.9804688 4.6882531 1.9804688 8.0019531 C 1.9804688 11.315653 4.6667688 14.001953 7.9804688 14.001953 C 11.260569 14.001953 13.920809 11.368762 13.974609 8.1015625 A 1 1 0 0 0 13.980469 8.0019531 A 1 1 0 0 0 12.980469 7.0019531 A 1 1 0 0 0 11.980469 8.0019531 C 11.980469 10.211053 10.189569 12.001953 7.9804688 12.001953 C 5.7713688 12.001953 3.9804688 10.211053 3.9804688 8.0019531 C 3.9804688 5.7928531 5.7713688 4.0019531 7.9804688 4.0019531 L 7.9804688 6.0019531 L 11.980469 3.0019531 L 7.9804688 0.001953125 z" transform="translate(3 3)"/>
+</svg>