Change Movie name must be unique

src/lib/database/database.sql

@@ -13,7 +13,7 @@ CREATE TABLE users (
 
 CREATE TABLE movies (
     id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
-    name TEXT NOT NULL,
+    name TEXT UNIQUE NOT NULL,
     imdb_id TEXT UNIQUE,
     actors TEXT[],
     release_date DATE DEFAULT NULL,