Added new tabel interiors_roomtypes (#521)

* migrations for the roomtypes

* rename files

* updated types

* Added new tabel interiors_roomtypes

* remove old migrations

* fixed bug

* correct numbers

migrations/000.601.sql

@@ -0,0 +1,20 @@
+-- Create a table called interiors_roomtypes
+-- This table should link the id in interiors table with a id from roomtypes table
+CREATE TABLE interiors_roomtypes (
+    id SERIAL PRIMARY KEY,
+    interior_id INTEGER NOT NULL,
+    roomtype_id INTEGER NOT NULL,
+
+    -- Foreign key constraints with CASCADE DELETE
+    CONSTRAINT fk_interiors_roomtypes_interiors
+        FOREIGN KEY (interior_id) REFERENCES interiors(id) ON DELETE CASCADE,
+    CONSTRAINT fk_interiors_roomtypes_roomtype
+        FOREIGN KEY (roomtype_id) REFERENCES roomtypes(id) ON DELETE CASCADE,
+
+    -- Ensure unique combination of room and roomtype (prevent duplicates)
+    UNIQUE(interior_id, roomtype_id)
+);
+
+-- Create indexes for better query performance
+CREATE INDEX idx_interiors_roomtypes_interior_id ON interiors_roomtypes(interior_id);
+CREATE INDEX idx_interiors_roomtypes_roomtype_id ON interiors_roomtypes(roomtype_id);