Enable container environment variables for config.

Fixes #1

src/router/index.js

@@ -1,4 +1,5 @@
 import { createRouter, createWebHistory } from "vue-router";
+import { routerBase } from '../app.config.js';
 import HomeView from "../views/HomeView.vue";
 import AboutView from "../views/AboutView.vue";
 import DebugFrameView from "../views/DebugFrameView.vue";
@@ -62,9 +63,11 @@ const routes = [
   },
 ];
 
+console.log(`mounting router on ${routerBase}`)
+
 const router = createRouter({
   history: createWebHistory(),
-  base: `${import.meta.env.VITE_ROUTER_BASE}`,
+  base: routerBase,
   routes,
 });