feat: add knowledge API docs

public/api/artifacts/A034/usage.json

@@ -0,0 +1,16 @@
+{
+  "id": "A034",
+  "name": "里程碑清单",
+  "asInput": [],
+  "asOutput": [
+    {
+      "id": "P3.2",
+      "name": "定义活动",
+      "knowledgeAreaId": "KA03",
+      "knowledgeAreaName": "项目进度管理",
+      "processGroupId": "PG02",
+      "processGroupName": "规划过程组",
+      "purpose": "将工作包分解为进度活动，作为对项目工作进行进度估算、规划、执行、监督和控制的基础。本过程需要在整个项目期间开展。"
+    }
+  ]
+}