Move themes to their own package

theme-gruvbox/.local/share/icons/Papirus-Dark-Gruvbox/22x22/actions/im-twitter.svg

@@ -0,0 +1,10 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="22" height="22" version="1.1">
+ <defs>
+  <style id="current-color-scheme" type="text/css">
+   .ColorScheme-Text { color:#ebdbb2; } .ColorScheme-Highlight { color:#4285f4; }
+  </style>
+ </defs>
+ <g transform="translate(3,3)">
+  <path style="fill:currentColor" class="ColorScheme-Text" d="M 11.078,1 C 9.2653,1 7.7949,2.5814 7.7949,4.5332 7.7949,4.8102 7.8809,5.3398 7.8809,5.3398 5.1526,5.1924 2.7324,3.7846 1.1133,1.6465 0.83072,2.1685 0.66992,2.7761 0.66992,3.4238 0.66992,4.65 1.2481,5.7315 2.1289,6.3652 1.5908,6.3469 1.0851,6.1885 0.64258,5.9238 V 5.9668 C 0.64258,7.6791 1.7737,9.1085 3.2754,9.4336 2.9999,9.5144 2.7095,9.5566 2.4102,9.5566 2.1986,9.5566 1.9934,9.5353 1.793,9.4941 2.2107,10.898 3.4229,11.919 4.8594,11.947 3.7359,12.895 2.3211,13.461 0.7832,13.461 0.51825,13.461 0.25681,13.445 0,13.412 1.4528,14.415 3.1773,15 5.0312,15 11.069,15 14.371,9.6139 14.371,4.9434 14.371,4.7901 14.363,4.4863 14.363,4.4863 15.005,3.9881 16,2.6562 16,2.6562 16,2.6562 14.779,3.1275 14.115,3.2129 14.793,2.7755 15.559,1.2578 15.559,1.2578 15.559,1.2578 14.222,1.9567 13.475,2.1152 12.876,1.4283 12.022,1 11.078,1 Z"/>
+ </g>
+</svg>