added app renamer

Author: exocode

Gemfile

@@ -37,6 +37,7 @@ group :development, :test do
   gem 'rails-controller-testing' # If you are using Rails 5.x
    # Call 'byebug' anywhere in the code to stop execution and get a debugger console
   gem 'byebug', platforms: [:mri, :mingw, :x64_mingw]
+  gem 'rename'
 end
 
 group :development do

Gemfile.lock

@@ -116,6 +116,10 @@ GEM
     rb-fsevent (0.10.3)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
+    rename (1.0.6)
+      activesupport
+      rails (>= 3.0.0)
+      thor (>= 0.19.1)
     rspec-core (3.8.0)
       rspec-support (~> 3.8.0)
     rspec-expectations (3.8.2)
@@ -172,6 +176,7 @@ DEPENDENCIES
   puma (~> 3.11)
   rails (~> 5.2.1)
   rails-controller-testing
+  rename
   rspec-rails
   shoulda-matchers (= 4.0.0.rc1)
   spring