Allow custom mount path

with RuCaptcha.config.mount_path

README.md

@@ -61,6 +61,9 @@ RuCaptcha.configure do
 
   # Set the image format, default: png, allows: [jpeg, png, webp]
   # self.format = 'png'
+
+  # Custom mount path, default: '/rucaptcha'
+  # self.mount_path = '/rucaptcha'
 end
 ```
 

lib/rucaptcha.rb

@@ -31,6 +31,7 @@ def config
       @config.line = true
       @config.noise = true
       @config.format = "png"
+      @config.mount_path = "/rucaptcha"
 
       @config.cache_store = if Rails.application
                               Rails.application.config.cache_store

lib/rucaptcha/configuration.rb

@@ -17,5 +17,7 @@ class Configuration
     attr_accessor :format
     # skip_cache_store_check, default: false
     attr_accessor :skip_cache_store_check
+    # custom rucaptcha mount path， default： '/rucaptcha'
+    attr_accessor :mount_path
   end
 end

lib/rucaptcha/engine.rb

@@ -6,7 +6,7 @@ class Engine < ::Rails::Engine
       # https://github.com/rails/rails/blob/3-2-stable/actionpack/lib/action_dispatch/routing/route_set.rb#L268
       # `app.routes.prepend` start from Rails 3.2 - 5.0
       app.routes.prepend do
-        mount RuCaptcha::Engine => "/rucaptcha"
+        mount RuCaptcha::Engine => RuCaptcha.config.mount_path
       end
 
       RuCaptcha.check_cache_store! unless RuCaptcha.config.skip_cache_store_check