feat: auto migrate zoom recordings

This MR implements a script to automatically migrate zoom meeting recordings to google drive.

The plan is to have the script run automatically every week (tentatively) using Gitlab schedules feature.

Following features are included:

• Migrate meetings from multiple zoom accounts based on provided config (environment variables).
• Supports filtering meetings based on topic regex pattern, start and end date.
• Email notification about the process result i.e. uploaded/failed videos for each account.
• Uploads videos to designated folder in drive for each account.
• Added a section about automation in handbook with instructions about running the script

Supporting information

• Jira: BB-6430
• Gitlab schedules

Testing instructions:

Please follow the instructions provided here to test the script locally.

Rendered instructions can be found in automation/migrate_zoom_recordings.html section of the preview in MR

Post merge checklist:

• Update current scheduled jobs to include PROCESS_NAME variable
• Add/update gitlab ci/cd variables
• Create a new schedule for this process