add cache and rename some files

opendeck/plugins/com.elgato.discord.sdPlugin/images/simple/headphonesVol4.svg

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   viewBox="0 0 144 144"
+   version="1.1"
+   id="svg3"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
+  <defs
+     id="defs7" />
+  <path
+     id="headphonesQuiet"
+     fill="#ffffff"
+     fill-rule="nonzero"
+     d="m 88.947,101.789 c 0,4.532 -3.679,8.211 -8.21,8.211 h -4.105 c -4.532,0 -8.211,-3.679 -8.211,-8.211 V 89.474 c 0,-4.532 3.679,-8.211 8.211,-8.211 h 4.105 V 68.947 C 80.737,53.087 67.86,40.211 52,40.211 c -15.86,0 -28.737,12.876 -28.737,28.736 v 12.316 h 4.105 c 4.532,0 8.211,3.679 8.211,8.211 v 12.315 c 0,4.532 -3.679,8.211 -8.211,8.211 h -4.105 c -4.531,0 -8.21,-3.679 -8.21,-8.211 V 68.947 C 15.053,48.556 31.608,32 52,32 72.392,32 88.947,48.556 88.947,68.947 Z M 109,97 v 6 c 0,0.552 -0.448,1 -1,1 h -8 c -0.552,0 -1,-0.448 -1,-1 v -6 c 0,-0.552 0.448,-1 1,-1 h 8 c 0.552,0 1,0.448 1,1 z m 9,-33 v 7 c 0,0.552 -0.448,1 -1,1 h -17 c -0.552,0 -1,-0.448 -1,-1 v -7 c 0,-0.552 0.448,-1 1,-1 h 17 c 0.552,0 1,0.448 1,1 z m -6,22 v 7 c 0,0.552 -0.448,1 -1,1 h -11 c -0.552,0 -1,-0.448 -1,-1 v -7 c 0,-0.552 0.448,-1 1,-1 h 11 c 0.552,0 1,0.448 1,1 z m 9,-33 v 7 c 0,0.552 -0.448,1 -1,1 h -20 c -0.552,0 -1,-0.448 -1,-1 v -7 c 0,-0.552 0.448,-1 1,-1 h 20 c 0.552,0 1,0.448 1,1 z m -3,2 h -16 v 3 h 16 z m -3,20 v 7 c 0,0.552 -0.448,1 -1,1 h -14 c -0.552,0 -1,-0.448 -1,-1 v -7 c 0,-0.552 0.448,-1 1,-1 h 14 c 0.552,0 1,0.448 1,1 z m 9,-33 v 7 c 0,0.552 -0.448,1 -1,1 h -23 c -0.552,0 -1,-0.448 -1,-1 v -7 c 0,-0.552 0.448,-1 1,-1 h 23 c 0.552,0 1,0.448 1,1 z m -3,2 h -19 v 3 h 19 z" />
+</svg>