Merge pull request #449 from lamtrinhdev/Update_README.md

Enhance code block format for README.md

README.md

@@ -97,7 +97,7 @@ Build `V2RayControl.xcframework`:
 
 To compile  [liboqs](https://github.com/open-quantum-safe/liboqs), additional packages are required:  
 
-``` 
+```sh
 brew install cmake ninja [email protected] wget doxygen graphviz astyle valgrind
 pip3 install pytest pytest-xdist pyyaml
 ```
@@ -194,4 +194,4 @@ See the [Authors](/AUTHORS) file for the list of contributors who participated i
 <a name="acknowledgements"></a>
 ## Acknowledgements
 
-See the [Acknowledgements](/ACKNOWLEDGEMENTS.md) file for the list of third party libraries used in this project.
+See the [Acknowledgements](/ACKNOWLEDGEMENTS.md) file for the list of third party libraries used in this project.