Update README.md

Author: RoFlection Bot

README.md

@@ -1,3 +1,12 @@
 # react-testing-library-lua
 
 * Port version [v12.1.5](https://github.com/testing-library/react-testing-library/tree/v12.1.5)
+
+## Installation
+
+At the moment, React Testing Library only works well with projects that are relying on Jest Roblox 3.0 or great. You can install react-testing-library-lua as a dev dependency using [Rotriever](https://github.com/roblox/rotriever):
+
+```
+[dev_dependencies]
+ReactTestingLibrary = "github.com/roblox/react-testing-library-lua.git@12.1.5"
+```