Upgrade to proper user management

src/models/calendar/users/session.interface.ts

@@ -0,0 +1,9 @@
+export interface Session {
+	session_id: number;
+	user_id: number;
+	session_key: string;
+	session_key_hash: string;
+	created_date?: Date;
+	valid_until?: Date;
+	last_ip: string;
+}