V2 (#2)

* Add default language while app is loading

* Global refactoring; Add router support

* Add hook for places-and-views; hook for panel-scroll; hook for sound

* Update version & firebase config

* Add useViewScroll hook for view component

* Add dialog modal basics

* Update screenshots; Create help dialog; Add new places and views;

src/assets/grizzly-hills/index.ts

@@ -0,0 +1,10 @@
+import preview from './preview';
+import view from './view';
+import music from './music';
+
+export default {
+    name: 'grizzly-hills',
+    music,
+    view,
+    preview,
+};