Add user model through devise. Add some basic layout. Start testing in travis.

config/environments/development.rb

@@ -61,4 +61,7 @@ Rails.application.configure do
   # Use an evented file watcher to asynchronously detect changes in source code,
   # routes, locales, etc. This feature depends on the listen gem.
   config.file_watcher = ActiveSupport::EventedFileUpdateChecker
+
+  # Reload everything besides classes
+  config.reload_classes_only_on_change = false
 end

config/routes.rb

@@ -1,4 +1,5 @@
 Rails.application.routes.draw do
+  devise_for :users
   get 'pages/home'
   mount RailsAdmin::Engine => '/admin', as: 'rails_admin'
   # For details on the DSL available within this file, see https://guides.rubyonrails.org/routing.html

config/webpack/environment.js

@@ -1,3 +1,17 @@
 const { environment } = require('@rails/webpacker')
 
+const webpack = require("webpack");
+
+// Add an additional plugin of your choosing : ProvidePlugin
+environment.plugins.prepend(
+    "Provide",
+    new webpack.ProvidePlugin({
+        $: "jquery",
+        jQuery: "jquery",
+        jquery: "jquery",
+        "window.Tether": "tether",
+        Popper: ["popper.js", "default"] // for Bootstrap 4
+    })
+);
+
 module.exports = environment