Add conf.yaml PWA config (#168)

Closes: #160
Reviewed-on: #168

src/js/store.js

@@ -2,17 +2,37 @@ import { reactive, computed } from 'vue';
 
 const state = reactive({
     disclaimerAgreement: false,
-    enabledRegions: ['thorax','abdomen','limbs'],
-    version: '0.5.0-rc'
+    enabledRegions: ['thorax','abdomen','limbs','head'],
+    version: '0.5.0-rc',
+    useExternal: 'optional',
+    siteDemo: false,
+    externalServerList: []
   })
 
+const set = (config, confObj) => {
+  if (confObj === undefined) { return }
+  state[config] = confObj
+}
+
 const agree = () => {
   state.disclaimerAgreement = true
 }
 
+const getServerList = () => {
+  if (state.useExternal == 'required') {
+    return state.externalServerList[0]
+  } else {
+    return state.externalServerList
+  }
+}
+
 export default () => ({
   isAgreed: computed(() => state.disclaimerAgreement),
+  demoMode: computed(() => state.siteDemo),
+  externalType: computed(() => state.useExternal),
   getRegions: computed(() => state.enabledRegions),
   getVersion: computed(() => state.version),
-  agree
+  set,
+  agree,
+  getServerList
 })