Develop labeling module (#25)

* refactor: remove db table management from LS adapter (mv to scripts later); change adapter to use the same MySQL DB as other modules.

* refactor: Rename LS Adapter module to datamate-python

runtime/datamate-python/app/models/collection/datax_template.py

@@ -0,0 +1,23 @@
+from sqlalchemy import Column, String, Text, Boolean, TIMESTAMP
+from sqlalchemy.sql import func
+from app.db.database import Base
+
+class DataxTemplate(Base):
+    """DataX模板配置模型"""
+    
+    __tablename__ = "t_dc_datax_templates"
+    
+    id = Column(String(36), primary_key=True, comment="模板ID（UUID）")
+    name = Column(String(255), nullable=False, unique=True, comment="模板名称")
+    source_type = Column(String(50), nullable=False, comment="源数据源类型")
+    target_type = Column(String(50), nullable=False, comment="目标数据源类型")
+    template_content = Column(Text, nullable=False, comment="模板内容")
+    description = Column(Text, nullable=True, comment="模板描述")
+    version = Column(String(20), default='1.0.0', comment="版本号")
+    is_system = Column(Boolean, default=False, comment="是否系统模板")
+    created_at = Column(TIMESTAMP, server_default=func.current_timestamp(), comment="创建时间")
+    updated_at = Column(TIMESTAMP, server_default=func.current_timestamp(), onupdate=func.current_timestamp(), comment="更新时间")
+    created_by = Column(String(255), nullable=True, comment="创建者")
+    
+    def __repr__(self):
+        return f"<DataxTemplate(id={self.id}, name={self.name}, source={self.source_type}, target={self.target_type})>"