Add default favicon and logo

app/javascript/packs/application.js

@@ -10,6 +10,8 @@ require("channels")
 
 require("./bootstrap_custom")
 require("../stylesheets/main")
+require("../images/favicon.png")
+require("../images/logo.png")
 
 // Uncomment to copy all static images under ../images to the output folder and reference
 // them with the image_pack_tag helper in views (e.g <%= image_pack_tag 'rails.png' %>)

app/javascript/stylesheets/general/_navbar.scss

@@ -18,6 +18,10 @@
     font-weight: 700;
   }
 
+  .logo img {
+    width: 48px;
+  }
+
   .boardsNav {
     .nav-item {
       @extend