add csv since it is no longer included by default

Author: kf8a

Gemfile

@@ -68,6 +68,7 @@ group :production, :staging do
   gem 'exception_notification'
 end
 
+gem 'csv'
 gem 'sass-rails', '>= 5'
 # gem 'therubyracer', require: false
 # gem 'uglifier'

Gemfile.lock

@@ -135,8 +135,6 @@ GEM
     base64 (0.3.0)
     bcrypt (3.1.20)
     bcrypt_pbkdf (1.1.1)
-    bcrypt_pbkdf (1.1.1-arm64-darwin)
-    bcrypt_pbkdf (1.1.1-x86_64-darwin)
     benchmark (0.4.1)
     bibtex-ruby (6.2.0)
       latex-decode (~> 0.0)
@@ -174,6 +172,7 @@ GEM
     country_select (9.0.0)
       countries (> 5.0, < 7.0)
     crass (1.0.6)
+    csv (3.3.5)
     dalli (3.2.8)
     database_cleaner (2.1.0)
       database_cleaner-active_record (>= 2, < 3)
@@ -613,6 +612,7 @@ DEPENDENCIES
   capistrano3-puma!
   commonmarker
   country_select (~> 9.0)
+  csv
   dalli
   database_cleaner
   devise