新增：贡献者代码行接口

app/controllers/api/v1/projects/contributors_controller.rb

@@ -0,0 +1,11 @@
+class Api::V1::Projects::ContributorsController < Api::V1::BaseController 
+  before_action :require_public_and_member_above, only: [:index, :stat]
+
+  # todo
+  def index 
+  end
+
+  def stat
+    @result_object = Api::V1::Projects::Contributors::StatService.call(@project, {branch: params[:branch], pass_year: params[:pass_year], page: page, limit: limit}, current_user&.gitea_token)
+  end
+end