Add guidelines reference to README.md file

README.md

@@ -156,6 +156,10 @@ target_link_libraries(... ls-std-core ls-std-boxing ...)
 
 To initialize this project and prepare it for local development, an OS-specific init-script must be executed. This script is located in __config/scripts__ location of the projects' root folder. Choose the OS-specific script (e.g. init.sh for Linux) and execute it via CLI.
 
+#### Guidelines ####
+
+Please refer to the __coding-guidelines.md__ file located in __doc/internal__ to be able to follow the library style.
+
 ### Run Automated Tests ###
 
 When enabling test build CMake flag during CMake project generation, executable test suite binaries will be generated during project compilation.