add simple editor UI and backend

editor/server/models.py

@@ -0,0 +1,19 @@
+# SPDX-License-Identifier: MIT
+
+from sqlalchemy import (
+    Column,
+    DateTime,
+    Integer,
+    JSON,
+    String,
+    func,
+)
+
+from . import db
+
+
+class Item(db.Model):
+    id = Column(Integer, primary_key=True, autoincrement=True, nullable=False)
+    name = Column(String(255), unique=True, nullable=False, index=True)
+    params = Column(JSON, nullable=False)
+    time_created = Column(DateTime(timezone=True), server_default=func.now())