[SE-3197] Updates Logging Time Unit in Onboarding Course

Adds CLI tools and GUI tools

Also links the tools created by our members to facilitate logging time

Removes FlowMagic since it seems to be taken down or discontinued

Renames Toggl to Toggl Track after rebranding

JIRA tickets: SE-3197

Testing instructions:

Check the First Sprint > Logging Time in the Dev Onboarding Course

Reviewers

• @swalladge