C++: QLDoc Strcpy (as demanded by the tests).

Author: geoffw0

cpp/ql/src/semmle/code/cpp/models/implementations/Strcpy.qll

@@ -1,3 +1,8 @@
+/**
+ * Provides implementation classes modelling `strcpy` and various similar
+ * functions. See `semmle.code.cpp.models.Models` for usage information.
+ */
+
 import semmle.code.cpp.models.interfaces.ArrayFunction
 import semmle.code.cpp.models.interfaces.DataFlow
 import semmle.code.cpp.models.interfaces.Taint