This function allows a package developer to automatically add the suite of
feedback msg_ functions utilized in this package to their own package.
Arguments
- pkg
- Package - defaults to "." 
- open
- boolean - should the newly created file be opened on creation? 
Details
Note that this adds a new file to your package under R/utils-msg_helpers.R
as well as runs devtools::document() to document the added functions and
their corresponding dependencies.
The functions added are: