Added front redirection and updated contribution instructions

CONTRIBUTING.rst

@@ -43,7 +43,7 @@ Setup front-end only development environment
 
 4. Launch the development server::
 
-    # this will serve the front-end on http://localhost:8000
+    # this will serve the front-end on http://localhost:8000/front/
     VUE_PORT=8000 yarn serve
 
 5. Make the front-end talk with an existing server (like https://demo.funkwhale.audio),

front/src/router/index.js

@@ -54,6 +54,11 @@ export default new Router({
       name: 'index',
       component: Home
     },
+    {
+      path: '/front',
+      name: 'front',
+      redirect: '/'
+    },
     {
       path: '/about',
       name: 'about',