Added two coding references (#1554)

* Added two commonly used coding guideline documents

* Update CppCoreGuidelines.md

Author: marknelson

CppCoreGuidelines.md

@@ -20397,6 +20397,7 @@ Reference sections:
 
 ## <a name="SS-rules"></a>RF.rules: Coding rules
 
+* [AUTOSAR Guidelines for the use of the C++14 language in critical and safety-related systems v17.10](https://www.autosar.org/fileadmin/user_upload/standards/adaptive/17-10/AUTOSAR_RS_CPP14Guidelines.pdf)
 * [Boost Library Requirements and Guidelines](http://www.boost.org/development/requirements.html).
   ???.
 * [Bloomberg: BDE C++ Coding](https://github.com/bloomberg/bde/wiki/CodingStandards.pdf).
@@ -20416,6 +20417,7 @@ Reference sections:
   Libraries used have to have been approved for mission critical applications.
   Any similarities to this set of guidelines are unsurprising because Bjarne Stroustrup was an author of JSF++.
   Recommended, but note its very specific focus.
+* _MISRA C++ 2008: Guidelines for the use of the C++ language in critical systems_. (Copies of this document can be found on the Internet, but it is not clear whether they are legally posted. This may limit its usefulness.)
 * [Mozilla Portability Guide](https://developer.mozilla.org/en-US/docs/Mozilla/C%2B%2B_Portability_Guide).
   As the name indicates, this aims for portability across many (old) compilers.
   As such, it is restrictive.