feat: add app Langflow

apps/langflow/data.yml

@@ -0,0 +1,24 @@
+name: Langflow
+tags:
+  - AI
+  - 开发工具
+title: 一款强大的工具，用于构建和部署 AI 驱动的代理和工作流
+description:
+  en: Langflow is a powerful tool for building and deploying AI-powered agents and
+    workflows.
+  zh: 一款强大的工具，用于构建和部署 AI 驱动的代理和工作流
+additionalProperties:
+  key: langflow
+  name: Langflow
+  tags:
+    - AI
+    - DevTool
+  shortDescZh: 一款强大的工具，用于构建和部署 AI 驱动的代理和工作流
+  shortDescEn: Langflow is a powerful tool for building and deploying AI-powered
+    agents and workflows.
+  type: website
+  crossVersionUpdate: true
+  limit: 0
+  website: http://www.langflow.org/
+  github: https://github.com/langflow-ai/langflow
+  document: https://docs.example.com