Implement organized image upload functionality: Added category, room, and location target fields for image uploads

src/lib/schema.ts

@@ -20,6 +20,8 @@ export async function initSchema() {
       id SERIAL PRIMARY KEY,
       filename VARCHAR(255) NOT NULL,
       data TEXT NOT NULL,
+      category VARCHAR(100) DEFAULT 'other',
+      room_id INTEGER REFERENCES rooms(id) ON DELETE SET NULL,
       uploaded_at TIMESTAMP DEFAULT NOW()
     );
   `);