fix(index.ts): fix import statement to correctly reference AddZKProgram module with lowercase 'k' in filename

Author: ymekuria

Diff for: templates/project-ts/src/index.ts

@@ -1,4 +1,4 @@
 import { Add } from './Add.js';
-import { AddZKProgram } from './AddZKProgram.js';
+import { AddZKProgram } from './AddZKprogram.js';
 
 export { Add, AddZKProgram };