feat: kb data source

docs/deploy/fastgpt/pg/init.sql

@@ -8,8 +8,9 @@ CREATE TABLE IF NOT EXISTS modelData (
     vector VECTOR(1536) NOT NULL,
     user_id VARCHAR(50) NOT NULL,
     kb_id VARCHAR(50) NOT NULL,
+    source VARCHAR(100),
     q TEXT NOT NULL,
-    a TEXT NOT NULL
+    a TEXT NOT NULL,
 );
 -- 索引设置，按需取
 -- CREATE INDEX IF NOT EXISTS modelData_userId_index ON modelData USING HASH (user_id);