support oceanbase as an optional vector database (#1435)

Signed-off-by: shanhaikang.shk <shanhaikang.shk@oceanbase.com>

docker/compose_examples/dbgpt-oceanbase-docker-compose.yml

@@ -0,0 +1,42 @@
+version: '3.8'
+
+services:
+  oceanbase:
+    image: oceanbase/oceanbase-ce:vector
+    ports: 
+      - 2881:2881
+    networks:
+      - dbgptnet
+  dbgpt:
+    image: eosphorosai/dbgpt-allinone
+    environment:
+      - DBGPT_WEBSERVER_PORT=12345
+      - VECTOR_STORE_TYPE=OceanBase
+      - OB_HOST=oceanbase
+      - OB_HOST=127.0.0.1
+      - OB_PORT=2881
+      - OB_USER=root@test
+      - OB_DATABASE=test
+      - OB_SQL_DBG_LOG_PATH=/sql_log/sql.log
+      - LOCAL_DB_TYPE=sqlite
+      - LLM_MODEL=tongyi_proxyllm
+      - PROXYLLM_BACKEND=qwen-plus
+      - EMBEDDING_MODEL=text2vec
+      # your api key
+      # - TONGYI_PROXY_API_KEY={your-api-key}
+      - LANGUAGE=zh
+      # - OB_ENABLE_NORMALIZE_VECTOR=True
+      # - OB_ENABLE_INDEX=True
+    ports:
+      - 3306:3306
+      - 12345:12345
+    volumes:
+      # - {your-ob-sql-dbg-log-dir}:/sql_log
+      # - {your-model-dir}:/app/models
+    networks:
+      - dbgptnet
+
+networks:
+  dbgptnet:
+    driver: bridge
+    name: dbgptnet