feat: add knowledge API docs

public/api/processes/P1.2.json

@@ -0,0 +1,9 @@
+{
+  "id": "P1.2",
+  "name": "制订项目管理计划",
+  "knowledgeAreaId": "KA01",
+  "knowledgeAreaName": "项目整合管理",
+  "processGroupId": "PG02",
+  "processGroupName": "规划过程组",
+  "purpose": "生成一份综合文件，用于确定所有项目工作的基础及其执行方式。"
+}