feat: update .gitignore for Bun and generated files, minor formatting fix in password reset handler

.gitignore

@@ -139,3 +139,20 @@ dist
 .yarn/install-state.gz
 .pnp.*
 
+# Bun
+bun.lock
+
+# Generated
+apps/backend/src/generated
+apps/backend/prisma.config.js
+apps/backend/prisma/*.js
+apps/backend/prisma/*.seed-data.js
+apps/backend/src/app.js
+apps/backend/src/lib/*.js
+apps/backend/src/middlewares/*.js
+apps/backend/src/modules/**/*.js
+apps/backend/src/register-routes.js
+apps/backend/src/server.js
+apps/backend/src/index.js
+apps/backend/src/types/*.js
+