Update README.md

README.md

@@ -181,6 +181,7 @@ This README.md itself mostly records **LLVM backend** (as well as mixed) resourc
 - [numba](https://github.com/numba/numba)
 - [mojo](https://docs.modular.com/)
 - [solang](https://github.com/hyperledger/solang)
+- [Ola](https://github.com/mateeeeeee/Ola) - a toy language, for learning LLVM-backend codegen
 - ~~[go-llvm](https://github.com/go-llvm/llgo)~~
 
 # Setup