Feat(config): Update service config template new defaults (#10029)

### What problem does this PR solve?

- Update default LLM configuration with BAAI and model details #9404
- Add SMTP configuration section #9479
- Add OpenDAL storage configuration option #8232

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

docker/service_conf.yaml.template

@@ -29,7 +29,6 @@ redis:
   db: 1
   password: '${REDIS_PASSWORD:-infini_rag_flow}'
   host: '${REDIS_HOST:-redis}:6379'
-
 # postgres:
 #   name: '${POSTGRES_DBNAME:-rag_flow}'
 #   user: '${POSTGRES_USER:-rag_flow}'
@@ -65,15 +64,26 @@ redis:
 #   secret: 'secret'
 #   tenant_id: 'tenant_id'
 #   container_name: 'container_name'
+# The OSS object storage uses the MySQL configuration above by default. If you need to switch to another object storage service, please uncomment and configure the following parameters.
+# opendal:
+#   scheme: 'mysql'  # Storage type, such as s3, oss, azure, etc.
+#   config:
+#     oss_table: 'opendal_storage'
 # user_default_llm:
-#   factory: 'Tongyi-Qianwen'
-#   api_key: 'sk-xxxxxxxxxxxxx'
-#   base_url: ''
+#   factory: 'BAAI'
+#   api_key: 'backup'
+#   base_url: 'backup_base_url'
 #   default_models:
-#     chat_model: 'qwen-plus'
-#     embedding_model: 'BAAI/bge-large-zh-v1.5@BAAI'
-#     rerank_model: ''
-#     asr_model: ''
+#     chat_model:
+#       name: 'qwen2.5-7b-instruct'
+#       factory: 'xxxx'
+#       api_key: 'xxxx'
+#       base_url: 'https://api.xx.com'
+#     embedding_model:
+#       name: 'bge-m3'
+#     rerank_model: 'bge-reranker-v2'
+#     asr_model:
+#       model: 'whisper-large-v3' # alias of name
 #     image2text_model: ''
 # oauth:
 #   oauth2:
@@ -109,3 +119,14 @@ redis:
 #   switch: false
 #   component: false
 #   dataset: false
+# smtp:
+#   mail_server: ""
+#   mail_port: 465
+#   mail_use_ssl: true
+#   mail_use_tls: false
+#   mail_username: ""
+#   mail_password: ""
+#   mail_default_sender:
+#     - "RAGFlow" # display name
+#     - "" # sender email address
+#   mail_frontend_url: "https://your-frontend.example.com"