Add sprockets to gemfile

Gemfile

@@ -5,6 +5,7 @@ gem 'bootsnap'
 gem 'pg'
 gem 'rack-cors'
 gem 'rails'
+gem 'sprockets-rails'
 
 # A Ruby Web Server Built For Concurrency
 gem 'puma'

Gemfile.lock

@@ -286,6 +286,13 @@ GEM
     spring (4.1.1)
     spring-commands-rspec (1.0.4)
       spring (>= 0.9.1)
+    sprockets (4.0.2)
+      concurrent-ruby (~> 1.0)
+      rack (> 1, < 3)
+    sprockets-rails (3.2.2)
+      actionpack (>= 4.0)
+      activesupport (>= 4.0)
+      sprockets (>= 3.0.0)
     stringio (3.0.4)
     thor (1.2.1)
     tilt (2.0.11)
@@ -341,6 +348,7 @@ DEPENDENCIES
   solargraph
   spring
   spring-commands-rspec
+  sprockets-rails
   will_paginate (~> 3.3)
 
 RUBY VERSION

config/application.rb

@@ -10,7 +10,7 @@ require "action_controller/railtie"
 require "action_text/engine"
 require "action_view/railtie"
 require "action_cable/engine"
-# require "sprockets/railtie"
+require "sprockets/railtie"
 require "rails/test_unit/railtie"
 
 # Require the gems listed in Gemfile, including any gems