Adding importance of communicating team member location

Why is this change being made?

Adding a brief section to our relocation page outlining the utter importance of communicating to people ops immediately if a team member is at risk of exceeding the 6 month timeframe allotment outside of their country of employment.

Highlighted this is both a management and team member responsibility.

Keen on feedback @jkalimon @emilyplotkin @atisdale-ext @gl-peoplepartners

Author Checklist

• Provided a concise title for the MR
• Added a description to this MR explaining the reasons for the proposed change, per say-why-not-just-what
• Assign this change to the correct DRI
  • If the DRI for the page/s being updated isn’t immediately clear, then assign it to one of the people listed in the "Maintained by" section in on the page being edited.
  • If your manager does not have merge rights, please ask someone to merge it AFTER it has been approved by your manager in #mr-buddies.
  • If the changes relate to any part of the project other than updates to content and/or data files please make sure to ping @gl-static-site-editor in a comment for a review and merge. For example changes to .gitlab-ci.yml, JavaScript/CSS/Ruby code or the layout files. (this requirement has been removed pending identification of a new DRI for the handbook)