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/cleaning/clean_template.py

@@ -0,0 +1,18 @@
+from sqlalchemy import Column, String, Text, TIMESTAMP
+from sqlalchemy.sql import func
+from app.db.database import Base
+
+class CleanTemplate(Base):
+    """清洗模板模型"""
+    
+    __tablename__ = "t_clean_template"
+    
+    id = Column(String(64), primary_key=True, unique=True, comment="模板ID")
+    name = Column(String(64), nullable=True, comment="模板名称")
+    description = Column(String(256), nullable=True, comment="模板描述")
+    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(256), nullable=True, comment="创建者")
+    
+    def __repr__(self):
+        return f"<CleanTemplate(id={self.id}, name={self.name})>"