add tangobox-com image for Modbus & ModbusComposer devices

docker/tango/Makefile

-DIRS = tango-builder tango-dependencies tango-db tango-cpp tango-java tango-rest tango-dsconfig ska-python-buildenv tango-pogo tango-starter tango-libtango tango-jive ska-python-runtime tango-admin tango-databaseds tango-test tango-itango tango-vscode tango-vnc tango-pytango mariadb_hdbpp tango-archiver hdbpp_viewer
+DIRS = tango-builder tango-dependencies tango-db tango-cpp tango-java tango-rest tango-dsconfig ska-python-buildenv tango-pogo tango-starter tango-libtango tango-jive ska-python-runtime tango-admin tango-databaseds tango-test tango-itango tango-vscode tango-vnc tango-pytango mariadb_hdbpp tango-archiver hdbpp_viewer tango-modbus
 TEST = ska-python-buildenv tango-itango tango-rest tango-db tango-cpp tango-archiver
 BUILDDIRS = $(DIRS:%=build-%)
 TESTDIRS = $(TEST:%=test-%)

docker/tango/tangobox-com/.release

+release=9.2.5a
+tag=tangobox-com-9.2.5a

docker/tango/tangobox-com/Dockerfile

+FROM nexus.engageska-portugal.pt/ska-docker/ska-python-buildenv:9.3.3.1 as ska
+
+FROM registry.gitlab.com/s2innovation/tangobox-docker/tangobox-com
+COPY --from=ska /usr/local/bin/retry /usr/local/bin/retry

docker/tango/tangobox-com/Makefile

+include ../../make/Makefile
+
+pre-build:
+	@echo do some stuff before the docker build
+
+post-build:
+	@echo do some stuff after the docker build
\ No newline at end of file