Add some trouble shootings for android installation (#145)

Author: yjb94

README.md

@@ -44,6 +44,16 @@ If the NDK is not installed, you can install it via Android Studio by going to t
 
 And then the _SDK Location_ section. It will show you the NDK path, or the option to Download it if you don't have it installed.
 
+And them the _Modules_ section. click on `shopify_react-native-skia` and select _NDK version_ with dropdown, and click on apply.
+
+#### TroubleShooting
+
+For error **_CMake 'X.X.X' was not found in SDK, PATH, or by cmake.dir property._**
+
+open _Tools > SDK Manager_, switch to the _SDK Tools_ tab.
+Find `CMake` and click _Show Package Details_ and download compatiable version **'X.X.X'**, and apply to install.
+
+
 ### Playground
 
 We have an example project you can play with [here](https://github.com/Shopify/react-native-skia/tree/main/example).