removed redundant ribica name from subfolders

front-api/controllers/category.rb

@@ -0,0 +1,10 @@
+
+
+get '/category' do 
+  Category.order(:name).all.to_json(include: :sub_categories)
+end
+
+get '/category/:id' do 
+  id = params[:id].to_i
+  Category.find(id).to_json(include: :sub_categories)
+end