Add link to nse-sphere3d-geo in README.md

README.md

@@ -2,4 +2,5 @@
 
 This project is a stub illustrating how the building of nse-projects
 with CMake is (should be) organized. This one represents *nse-XXX-XXX* 
+(e.g. [nse-sphere3d-geo](http://tesla.parallel.ru/vonopr/nse-sphere3d-geo)) 
 head projects