bbfdmd: Add support for cli command

bbfdmd/README.md

bbfdmd/src/CMakeLists.txt

bbfdmd/src/bbfdmd.c

bbfdmd/src/cli.c

bbfdmd/src/cli.h

bbfdmd/src/common.c

bbfdmd/src/common.h

bbfdmd/src/get.c

bbfdmd/src/get_helper.h

bbfdmd/src/pretty_print.c

docs/guide/dynamic_dm.md

gitlab-ci/memory-test.sh

gitlab-ci/tools-test.sh

json/input.json

libbbfdm-api/dmentry.c

test/bbf_test/Makefile

test/bbf_test/bbf_dm.c

test/files/etc/config/bbfdm