Added dark and SFW modes.

assets/js/ui/mutations.js

@@ -10,8 +10,18 @@ function setBatch(state, batch) {
     state.batch = batch;
 }
 
+function setSfw(state, sfw) {
+    state.sfw = sfw;
+}
+
+function setTheme(state, theme) {
+    state.theme = theme;
+}
+
 export default {
     setFilter,
     setRange,
     setBatch,
+    setSfw,
+    setTheme,
 };