Move themes to their own package

theme-gruvbox/.local/share/icons/Papirus-Dark-Gruvbox/16x16/apps/ch.x29a.playitslowly.svg

@@ -0,0 +1,4 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" version="1.1">
+ <circle style="fill:#af2158" cx="8" cy="8" r="8"/>
+ <path style="fill:none;stroke:#ffffff;stroke-width:1.16402769" d="M 8.5220509,8.0000992 C 8.3642292,7.7267439 8.8126648,7.6524949 8.9763854,7.7377892 9.4200582,7.9689317 9.3339879,8.5934891 9.0466707,8.9087682 8.5327278,9.4727287 7.6331017,9.3138749 7.1590473,8.787029 6.4633533,8.0138615 6.702838,6.8072312 7.4728111,6.1827611 8.4990641,5.3504405 10.021909,5.6737845 10.793724,6.6885495 11.764974,7.9655277 11.356355,9.8084362 10.09591,10.726106 8.569343,11.837528 6.4043909,11.342912 5.3417091,9.8362688 4.0893755,8.0607415 4.6704024,5.5725895 6.4235713,4.3654229 8.4476742,2.9717014 11.259762,3.6393975 12.611062,5.6393097 14.146494,7.9117371 13.391958,11.048258 11.14515,12.543444 8.6245716,14.220817 5.1632636,13.379322 3.524371,10.885509 1.7048897,8.116903 2.6334301,4.3305487 5.3743316,2.5480848"/>
+</svg>