Update comments within readme.

Author: colinrg

README.md

@@ -8,3 +8,7 @@ Some useful links here:
 
 https://blogs.msdn.microsoft.com/visualstudio/2016/05/11/macros-extension-open-sourced-in-visual-studio-2015/
 https://github.com/Microsoft/VS-Macros
+
+* Generate Doxygen comments for a function by simply having the cursor anywhere on the line of the function.
+* Generate a new class by simple having a line containing a single word, which can also be preceded with //
+* Header guards will be generated on the line where the cursor resides, and combines the path and filename to generate the #define guard.