Tail log output for kopia server commands

[aaron-kasten]

Change Overview

This PR adds log tailing for each kopia command. The log tailing occurs concurrently with the command, allowing the output of a log file to stdout and/or stderr for the process.

Unit tests pending.

Pull request type

Please check the type of change your PR introduces:

• [X] :construction: Work in Progress
• [X] :sunflower: Feature

Issues

k10-25828

Test Plan

Will add unit tests. Ideally will also add integration testing.

• [X] :muscle: Manual (current)
• [X] :zap: Unit test (future)

[aaron-kasten]

Went with chaning ENDPOINT in K10 as a solution