Update the config directory in dme participant docker

Config file has been added in the separate directory. This is useful when the volume gets mounted for the docker image.

Issue-ID: NONRTRIC-952
Signed-off-by: aravind.est <aravindhan.a@est.tech>
Change-Id: Iff35a5883c4494f80f49019d31fc7da90473f145
1 file changed