Include API session route under rack protection

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

config/initializers/rack_attack.rb.example

@@ -5,11 +5,13 @@
 paths_to_be_protected = [
   "#{Rails.application.config.relative_url_root}/users/password",
   "#{Rails.application.config.relative_url_root}/users/sign_in",
+  "#{Rails.application.config.relative_url_root}/api/#{API::API.version}/session.json",
+  "#{Rails.application.config.relative_url_root}/api/#{API::API.version}/session",
   "#{Rails.application.config.relative_url_root}/users"
 ]
 
 unless Rails.env.test?
-  Rack::Attack.throttle('protected paths', limit: 6, period: 60.seconds) do |req|
+  Rack::Attack.throttle('protected paths', limit: 10, period: 60.seconds) do |req|
     req.ip if paths_to_be_protected.include?(req.path) && req.post?
   end
 end