Add admin panel

backend/app/models/static_content.py

@@ -0,0 +1,20 @@
+from datetime import datetime
+from sqlalchemy import String, DateTime, Integer, ForeignKey, Text
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.core.database import Base
+
+
+class StaticContent(Base):
+    __tablename__ = "static_content"
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    key: Mapped[str] = mapped_column(String(100), unique=True, nullable=False, index=True)
+    title: Mapped[str] = mapped_column(String(200), nullable=False)
+    content: Mapped[str] = mapped_column(Text, nullable=False)
+    updated_by_id: Mapped[int | None] = mapped_column(Integer, ForeignKey("users.id"), nullable=True)
+    updated_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
+    created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)
+
+    # Relationships
+    updated_by: Mapped["User | None"] = relationship("User", foreign_keys=[updated_by_id])