Adding simple_form, adding profile settings, header image

app/controllers/settings_controller.rb

@@ -0,0 +1,27 @@
+class SettingsController < ApplicationController
+  layout 'dashboard'
+
+  before_action :authenticate_user!
+  before_action :set_account
+
+  def show
+  end
+
+  def update
+    if @account.update(account_params)
+      redirect_to settings_path
+    else
+      render action: :show
+    end
+  end
+
+  private
+
+  def account_params
+    params.require(:account).permit(:display_name, :note, :avatar, :header)
+  end
+
+  def set_account
+    @account = current_user.account
+  end
+end