📊 covid: countries reporting vax data

[lucasrodes]

tracking issue

Add data and charts communicating if a country started reporting values or not.

[owidbot]

Quick links (staging server): Site	Admin	Wizard	Docs

Login: ssh owid@staging-site-covid-report-vax

chart-diff: ✅

• 2/2 reviewed charts
• Modified: 0/0
• New: 2/2
• Rejected: 0

data-diff: ✅ No differences found

```diff Legend: +New ~Modified -Removed =Identical Details Hint: Run this locally with etl diff REMOTE data/ --include yourdataset --verbose --snippet ``` Automatically updated datasets matching _weekly_wildfires|excess_mortality|covid|fluid|flunet|country_profile|garden/ihme_gbd/2019/gbd_risk_ are not included

Edited: 2024-11-13 14:35:12 UTC Execution time: 4.31 seconds

[lucasrodes]

thanks @spoonerf !