feat: add knowledge API docs

public/api/artifacts/A062/usage.json

@@ -0,0 +1,16 @@
+{
+  "id": "A062",
+  "name": "独立成本估算",
+  "asInput": [],
+  "asOutput": [
+    {
+      "id": "P9.1",
+      "name": "规划采购管理",
+      "knowledgeAreaId": "KA09",
+      "knowledgeAreaName": "项目采购管理",
+      "processGroupId": "PG02",
+      "processGroupName": "规划过程组",
+      "purpose": "确定是否从项目外部获取货物和服务，如果是，则还要确定将在什么时间、以什么方式获取什么货物和服务。本过程仅开展一次或仅在项目的预定义点开展。"
+    }
+  ]
+}