Move themes to their own package

theme-gruvbox/.local/share/icons/Papirus-Dark-Gruvbox/22x22/apps/photolayoutseditor.svg

@@ -0,0 +1,9 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="22" height="22" version="1">
+ <path fill="#8c93dd" d="m2 2c-0.554 0-1 0.446-1 1v12h20v-12c0-0.554-0.446-1-1-1h-18z"/>
+ <path fill-rule="evenodd" opacity=".2" d="m15 6.5001c1.6568 0 2.9999 1.3431 2.9999 2.9999s-1.3431 2.9999-2.9999 2.9999-2.9999-1.3431-2.9999-2.9999 1.3431-2.9999 2.9999-2.9999z"/>
+ <path fill="#fffca3" fill-rule="evenodd" d="m15 6.0001c1.6568 0 2.9999 1.3431 2.9999 2.9999s-1.3431 2.9999-2.9999 2.9999-2.9999-1.3431-2.9999-2.9999 1.3431-2.9999 2.9999-2.9999z"/>
+ <path fill="#fff" opacity=".2" d="m2.0005 2.0002c-0.554 0-1 0.446-1 1v0.49999c0-0.55399 0.44599-0.99998 0.99998-0.99998h18c0.554 0 1 0.446 1 1v-0.5c0-0.554-0.446-1-1-1z"/>
+ <path fill="#5184b0" d="m1.0005 15v3.9999c0 0.55399 0.44599 0.99998 0.99998 0.99998h18c0.554 0 1-0.446 1-1v-3.9999z"/>
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+</svg>