Update README.md for in-repo packaging policy
Update README.md for in-repo packaging policy

See discussion in https://github.com/agrover/configshell-fb/pull/8

Signed-off-by: Andy Grover <b7d524d2f5cc5aebadb6b92b08d3ab26911cde33@redhat.com>

agrover/rtslib-fb,mikenawrocki/rtslib-fb,mikenawrocki/rtslib-fb,cvubrugier/rtslib-fb