Mktgops Handbook Updates: 20230102 - 20230115

Why is this change being made?

1. Updated documentation for uploading new PathFactory content. - @nikkiroth
2. Updated some information to clarify LIM, Tokens, and Last event Notes. - @bweatherford
3. Added general list load spreadsheet link to the list upload page. more changes inbound @jburton
4. Added glossary for fields related to partners - @stran5
5. Updated the glossary for fields related to Vartopia - @stran5
6. Bizible Campaign Sync Rule Updates on Biz handbook page - @RobRosu
7. Campaign & Programs Handbook Bizible Updates as per BDO - @RobRosu
8. Remove Enable Biz Setting mention from Partner Campaigns page - @RobRosu
9. Add mktgops channel to outreach page @gillmurphy
10. Update token language for automated uploads @bweatherford
11. Added section on Partner SaaS free trial - @stran5

Author Checklist

• Provided a concise title for this Merge Request (MR)
• Added a description to this MR explaining the reasons for the proposed change, per say why, not just what
  • Copy/paste the Slack conversation to document it for later, or upload screenshots. Verify that no confidential data is added.
• Assign reviewers for this MR to the correct Directly Responsible Individual/s (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 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 affect team members, or warrant an announcement in another way, please consider posting an update in #whats-happening-at-gitlab linking to this MR
  • If this is a change that directly impacts the majority of global team members, it should be a candidate for #company-fyi. Please work with internal communications and check the handbook for examples.

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