feat: introduced plans pricing

repositories/addons.py

@@ -0,0 +1,15 @@
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from db.models import Addon
+
+
+class AddonsRepository:
+    def __init__(self, session: AsyncSession) -> None:
+        self.session = session
+
+    async def get_all(self) -> list[Addon]:
+        stmt = select(Addon)
+        r = await self.session.execute(stmt)
+
+        return list(r.scalars().all())