fix: exclude rnnlama clang format from lintrunner

Author: hietalajulius

.lintrunner.toml

@@ -74,6 +74,7 @@ exclude_patterns = [
     # NB: Objective-C is not supported
     'examples/apple/**',
     'examples/demo-apps/apple_ios/**',
+    'examples/demo-apps/react-native/rnllama/ios/**',
     # File contains @generated
     'extension/llm/custom_ops/spinquant/fast_hadamard_transform_special.h',
     'extension/llm/custom_ops/spinquant/test/fast_hadamard_transform_special_unstrided_cpu.h',