Added link to docs

Author: berndporr

README.md

@@ -14,9 +14,10 @@ sudo make install
 ```
 
 ## Usage (overloading the timer event)
-Include CppTimer.h in your program and link the static library `libcpptimer.a`
-to your project:
+The doxygen generated online docs are here: https://berndporr.github.io/cppTimer/
 
+Include `CppTimer.h` in your program and link the static library `libcpptimer.a`
+to your project:
 ```
 TARGET_LINK_LIBRARIES(your_project_title cpptimer rt)
 ```