Added link to C++ Core Guideline

Author: rob100

10-Further_Reading.md

@@ -1,5 +1,6 @@
 # Further Reading
 
+ * https://github.com/isocpp/CppCoreGuidelines The C++ Core Guidelines are a set of tried-and-true guidelines, rules, and best practices about coding in C++ 
  * http://geosoft.no/development/cppstyle.html
  * http://google-styleguide.googlecode.com/svn/trunk/cppguide.xml (Note that Google's standard document makes several recommendations which we will NOT be following. For example, they explicitly forbid the use of exceptions, which makes [RAII](http://blog2.emptycrate.com/content/nobody-understands-c-part-2-raii) impossible.)
  * https://isocpp.org/faq/