Add faraday for HTTP requests

Gemfile

@@ -28,6 +28,8 @@ gem 'devise'
 gem 'devise_ldap_authenticatable'
 gem 'net-ldap'
 
+gem 'faraday'
+
 group :development, :test do
   # Use sqlite3 as the database for Active Record
   gem 'sqlite3', '~> 1.4'

Gemfile.lock

@@ -95,6 +95,8 @@ GEM
     factory_bot_rails (6.1.0)
       factory_bot (~> 6.1.0)
       railties (>= 5.0.0)
+    faraday (0.17.0)
+      multipart-post (>= 1.2, < 3)
     ffi (1.13.1)
     globalid (0.4.2)
       activesupport (>= 4.2.0)
@@ -126,6 +128,7 @@ GEM
     mini_portile2 (2.4.0)
     minitest (5.14.2)
     msgpack (1.3.3)
+    multipart-post (2.1.1)
     net-ldap (0.16.3)
     nio4r (2.5.4)
     nokogiri (1.10.10)
@@ -251,6 +254,7 @@ DEPENDENCIES
   devise_ldap_authenticatable
   dotenv-rails
   factory_bot_rails
+  faraday
   jbuilder (~> 2.7)
   letter_opener
   letter_opener_web