[cli] Add a tail command to follow server logs about core HOT 3 OPEN

Perfect, thanks for the extra tips! Will shout if I have any questions

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Hey @dstpierre I am keen to take this task on. Could you please assign it to me and I will try make a start this weekend?

from core.

Thanks @mauriceLC92 highly appreciated. Here's a couple of tips since you will need to modify this project core and the cli

The cli import the core project, to make this work you'll need to replace the package in the cli to say you want to use your local version:

1. Clone both projects side-by-side, ex: ~/src/staticbackend/ have the core and cli there.
2. In the cli go.mod add replace github.com/staticbackendhq/core => ../core

From there you should be able to make changes in the core to create the log middleware and the changes to config and build the cli. Not optimal, still trying to figure out the best workflow for this.

I'm using make build to build the cli and from there you will have a binary called backend

$ ./backend server --tail-log

For example testing this new flag.

Do not hesitate if you have any questions.
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