Randomly select region icon set

Signed-off-by: Justin Georgi <justin.georgi@gmail.com>

src/js/store.js

@@ -3,6 +3,7 @@ import { reactive, computed } from 'vue';
 const state = reactive({
     disclaimerAgreement: false,
     enabledRegions: ['thorax','abdomen','limbs','head'],
+    regionIconSet: Math.floor(Math.random() * 2) + 1,
     version: '0.5.0-rc',
     fullscreen: false,
     useExternal: 'optional',
@@ -46,6 +47,7 @@ export default () => ({
   externalType: computed(() => state.useExternal),
   getRegions: computed(() => state.enabledRegions),
   getVersion: computed(() => state.version),
+  getIconSet: computed(() => state.regionIconSet),
   set,
   agree,
   getServerList,