doxygen: remove doxy artifact

Change-Id: I03da0b19e44fee3c88e4cf3353208bba597e0408

.gitignore

 *.user
+doc/Doxyfile
 
 GeneratedFiles/
 .vs/

doc/Doxyfile

-PROJECT_NAME           = "jami-qt"
-PROJECT_NUMBER         = 
-INPUT                  = /home/ababi/ring-project/client-qt
-RECURSIVE              = YES
-EXCLUDE                = /home/ababi/ring-project/client-qt/build-local
-FILE_PATTERNS          = *.cpp *.h *.c *.md
-INPUT_ENCODING         = UTF-8
-USE_MDFILE_AS_MAINPAGE = /home/ababi/ring-project/client-qt/doc/README.md
-EXTRACT_ALL            = YES
-EXTRACT_LOCAL_CLASSES  = YES