Follow-up on CMake clarification for 0.70 (facebook#3309)

Author: cortinico

website/versioned_docs/version-0.70/the-new-architecture/pillars-codegen.md

@@ -162,6 +162,7 @@ codegen
 │           └── MyTurbomodule.java
 ├── jni
 │   ├── Android.mk
+│   ├── CMakeLists.txt
 │   ├── MyTurbomodule-generated.cpp
 │   ├── MyTurbomodule.h
 │   └── react

website/versioned_docs/version-0.70/the-new-architecture/pillars-turbomodule.md

@@ -497,6 +497,7 @@ codegen
 │           └── NativeCalculatorSpec.java
 ├── jni
 │   ├── Android.mk
+│   ├── CMakeLists.txt
 │   ├── RTNCalculator-generated.cpp
 │   ├── RTNCalculator.h
 │   └── react