新增：新合并请求列表接口

app/views/api/v1/projects/pulls/_simple_detail.json.jbuilder

@@ -0,0 +1,25 @@
+json.(pull, :id, :head, :base, :is_original)
+json.index pull.gitea_number
+json.status pull.status == 1 ? "merged" : (pull.status == 2 ? "closed" : "open")
+
+fork_project = pull&.fork_project
+if fork_project.present?
+  json.fork_project do 
+    json.(fork_project, :id, :identifier)
+    json.login fork_project&.owner&.login
+  end
+end
+
+issue = pull&.issue
+json.issue do 
+  json.id issue&.id
+  json.author do 
+    json.partial! '/api/v1/users/simple_user', user: issue&.user
+  end
+  json.priority issue&.priority.try(:name)
+  json.version issue&.version.try(:name)
+  json.comments_count issue.journals.count 
+  json.issue_tags issue.get_issue_tags
+end
+
+json.comments_count pull.journals.count

app/views/api/v1/projects/pulls/index.json.jbuilder

@@ -0,0 +1,4 @@
+json.total_count @pulls.total_count
+json.pulls @pulls.each do |pull|
+  json.partial! 'api/v1/projects/pulls/simple_detail', pull: pull
+end