Set worker use as configuration setting

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

src/js/store.js

@@ -7,6 +7,7 @@ const state = reactive({
     version: '0.5.0-alpha',
     fullscreen: false,
     useExternal: 'optional',
+    workersEnabled: 'true',
     siteDemo: false,
     externalServerList: [],
     infoUrl: false,
@@ -26,6 +27,10 @@ const safariDetected = () => {
   state.safariBrowser = true
 }
 
+const disableWorkers = () => {
+  state.workersEnabled = false
+}
+
 const getServerList = () => {
   if (state.useExternal == 'required') {
     return state.externalServerList[0]
@@ -51,6 +56,7 @@ export default () => ({
   isFullscreen: computed(() => state.fullscreen),
   demoMode: computed(() => state.siteDemo),
   externalType: computed(() => state.useExternal),
+  useWorkers: computed(() => state.workersEnabled),
   getRegions: computed(() => state.enabledRegions),
   getVersion: computed(() => state.version),
   getIconSet: computed(() => state.regionIconSet),
@@ -59,6 +65,7 @@ export default () => ({
   set,
   agree,
   safariDetected,
+  disableWorkers,
   getServerList,
   toggleFullscreen
 })