Add bootstrap dependencies

Gemfile

@@ -25,7 +25,11 @@ gem 'jbuilder', '~> 2.5'
 # Use Redis adapter to run Action Cable in production
 # gem 'redis', '~> 3.0'
 # Use ActiveModel has_secure_password
-# gem 'bcrypt', '~> 3.1.7'
+gem 'bcrypt', '~> 3.1.7'
+
+# Use Bootstrap for CSS
+gem 'bootstrap-sass', '~> 2.3.0'
+gem 'autoprefixer-rails'
 
 # Use Capistrano for deployment
 # gem 'capistrano-rails', group: :development

Gemfile.lock

@@ -39,6 +39,11 @@ GEM
       minitest (~> 5.1)
       tzinfo (~> 1.1)
     arel (7.1.4)
+    autoprefixer-rails (6.5.3.1)
+      execjs
+    bcrypt (3.1.11)
+    bootstrap-sass (2.3.2.2)
+      sass (~> 3.2)
     builder (3.2.2)
     byebug (9.0.6)
     coffee-rails (4.2.1)
@@ -154,6 +159,9 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
+  autoprefixer-rails
+  bcrypt (~> 3.1.7)
+  bootstrap-sass (~> 2.3.0)
   byebug
   coffee-rails (~> 4.2)
   jbuilder (~> 2.5)