Publishing FES Survey Results and Friendly Errors i18n Book

[almchung]

This PR publishes the 2021-22 FES Survey and Friendly Errors i18n Book .

Changes:

contributor_docs/friendly_error_system.md

• Removed a link to the FES Survey form.
• Added links to 2021-22 FES Survey results comic and full report.
• Added a link to Friendly Errors i18n Book
• Updated the Writing Friendly Error Messages section to match the content of the new book.

translations/ko/README.md

• Updated the readme file to match the content of the new book.
• Added a link to Friendly Errors i18n Book public repo

Screenshots of the change:

PR Checklist

• npm run lint passes

[limzykenneth]

Looks good. Thanks!