fix: include svelte.ts files in Svelte ESLint configuration

Author: rbjornstad

eslint.config.js

@@ -25,7 +25,7 @@ export default ts.config(
 		}
 	},
 	{
-		files: ['**/*.svelte'],
+		files: ['**/*.svelte', '**/*.svelte.ts'],
 
 		languageOptions: {
 			parserOptions: {