feat: 添加知识库和用户模块，更新核心功能并修复导入路径

test/knowledge.ts

@@ -0,0 +1,10 @@
+import { KnowledgeBase } from "../src/knowledge/index.ts";
+
+import { token, showMore, cookie } from "./common.ts";
+
+const repo = new KnowledgeBase({ group: "kevisual/demo", token: token, cookie: cookie });
+const repoName = "test-cnb";
+
+const queryRes = await repo.getEmbeddingModels(repoName);
+
+console.log("queryRes", showMore(queryRes));