feat: ✨ add database for test

Author: lucas4tech

backend/src/database/structure_test.sql

@@ -0,0 +1,11 @@
+CREATE TABLE schema_migrations (
+ filename varchar(255),
+);
+
+CREATE TABLE rooms (
+ id varchar(255),
+ name varchar(255),
+ capacity INTEGER,
+ location varchar(255),
+);
+