Add missing charset meta tag

[zcolleyz]

Noticed on Ecosia and Bing that the description of the page is garbled and I wonder if it could be fixed with this meta tag

Done

• Add a meta tag for charset

QA

• Check out this feature branch
• Run the site using the command ./run serve
• View the site locally in your web browser at: http://0.0.0.0:8027/
• Run through the following QA steps
• [List additional steps to QA the new features or prove the bug has been resolved]

Issue / Card

Fixes #628

Screenshots

N/A

[webteam-app]

zcolleyz is not a collaborator of the repo

[zcolleyz]

Closing this PR because I don't want to see it in my open PRs and have not seen any response, the issue still exists so can use it if you'd like.