Added versions and minor cleanup

tubio-frontend-nuxt-app/store/serverVersion.js

@@ -0,0 +1,24 @@
+import axios from 'axios';
+
+export const state = () => ({
+    serverVersion: -1
+});
+
+export const mutations = {
+    update(state, data) {
+        state.serverVersion = data;
+    },
+};
+
+export const actions = {
+    update(context) {
+        axios.post("/api", {
+            request: "get_server_version"
+        })
+        .then(function(response) {
+            if (response.data.status === "OK") {
+                context.commit("update", response.data.server_version);
+            }
+        });
+    },
+};