Add support to add files from remote git in werf.yam

[CRASH-Tech]

Before proceeding

• [X] I didn't find a similar issue

Problem

In my case I have many projects with identical .helm/ and Dockerfile. Will be good if I can set url for repo with this files, and werf automatically adds it to my worktree on a build stage, and remove after.

Solution (if you have one)

No response

Additional information

No response

[alexey-igrychev]

At the moment, as a best practice, we recommend using submodules that fit perfectly into giterminism and the delivery process remains reliable and reproducible. Otherwise, you can put the configuration on your own before using werf.

[alexey-igrychev]

rel #4948

[alexey-igrychev]

rel https://github.com/werf/werf/issues/4873

[github-actions[bot]]

Seems the issue was solved. Closing after 7 days of inactivity.