Fix duplicate messages in install generator

Fixes duplicate success messages in Redux generator and duplicate NPM install output by preventing double execution of generator methods.

Author: ihabadham

lib/generators/react_on_rails/base_generator.rb

@@ -100,8 +100,11 @@ def add_js_dependencies
         add_react_dependencies
         add_css_dependencies
         add_dev_dependencies
+        install_js_dependencies
       end
 
+      private
+
       def install_js_dependencies
         # Detect which package manager to use
         success = if File.exist?(File.join(destination_root, "yarn.lock"))

lib/generators/react_on_rails/install_generator.rb

@@ -32,7 +32,9 @@ def run_generators
         if installation_prerequisites_met? || options.ignore_warnings?
           invoke_generators
           add_bin_scripts
-          add_post_install_message
+          # Only add the post install message if not using Redux
+          # Redux generator handles its own messages
+          add_post_install_message unless options.redux?
         else
           error = <<~MSG.strip
             🚫 React on Rails generator prerequisites not met!