updated settings templates

app/controllers/profile_controller.rb

@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+class ProfileController < ApplicationController
+  def index
+    @user = current_user
+  end
+
+  def update
+    @user = current_user
+
+    if @user.update(user_params)
+      redirect_to settings_profile_path, notice: 'Profile updated'
+    else
+      render :index
+    end
+  end
+
+  private
+
+  def user_params
+    params.require(:user).permit(:first_name, :last_name)
+  end
+end