Move themes to their own package

theme-gruvbox/.local/share/icons/Papirus-Dark-Gruvbox/16x16/panel/weather-showers-scattered.svg

@@ -0,0 +1,8 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" version="1.1">
+ <defs>
+  <style id="current-color-scheme" type="text/css">
+   .ColorScheme-Text { color:#ebdbb2; } .ColorScheme-Highlight { color:#4285f4; }
+  </style>
+ </defs>
+ <path style="fill:currentColor" class="ColorScheme-Text" d="M 8,0.004 C 5.9289,0.004 4.1653,1.2719 3.4062,3.0665 1.4784,3.3531 0,4.9964 0,7.004 0,8.937 1.3648,10.537 3.1875,10.91 3.9516,10.132 4.7087,9.349 5.5,8.598 6.073,9.136 6.6331,9.697 7.188,10.254 7.43,10.185 7.57,9.408 7.906,9.16 8.761,8.292 9.615,7.435 10.5,6.5978 11.166,7.222 11.791,7.859 12.438,8.504 13.035,9.075 13.665,9.708 13.875,10.535 13.891,10.586 13.893,10.64 13.906,10.691 15.141,10.151 16,8.938 16,7.504 16,5.7075 14.649,4.2353 12.906,4.0353 12.452,1.7419 10.427,0.004 8,0.004 Z M 10.5,8 10.156,8.344 8.75,9.75 C 8.297,10.203 8,10.813 8,11.5 8,12.875 9.125,14 10.5,14 11.875,14 13,12.875 13,11.5 13,10.813 12.703,10.203 12.25,9.75 L 10.844,8.344 Z M 5.5,10 5.1562,10.344 3.75,11.75 C 3.2968,12.203 3,12.813 3,13.5 3,14.875 4.1252,16 5.5,16 6.8748,16 8,14.875 8,13.5 8,12.813 7.703,12.203 7.25,11.75 L 5.8437,10.344 Z"/>
+</svg>