feat: add more stuff

doesn't work yet

image/Dockerfile

-FROM registry1.dsop.io/ironbank/opensource/mattermost/mattermost:5.27.0
-
-COPY --chown=mattermost:mattermost en.json /mattermost/client/i18n/en.json
-COPY --chown=mattermost:mattermost root.html /mattermost/client/root.html
-COPY --chown=mattermost:mattermost p1-bg.jpg /mattermost/client/images/p1-bg.jpg

tests/cy-run.sh

+
+#!/usr/bin/env bash
+echo "Running Cypress e2e tests headlessly without copying files"
+
+# explanation of the "docker run" command line arguments
+#
+#  -it          = interactive terminal
+#  -v $PWD:/e2e = map current folder to /e2e inside the container
+#  -w /e2e      = set working directy to /e2e
+#  $@           = pass any arguments to this script to the Cypress command
+#                 like "./cy-run.sh --record"
+#
+# Docker image "cypress/included:3.2.0" has its entrypoint
+# set to "cypress run" by default
+
+docker run  -it -v $PWD:/e2e -w /e2e cypress/included:5.0.0 $@