Documentation of how to translate OSD in firmware

[HThuren]

Update of develoment.md regarding translation of OSD text Also add TranslationOSD.md with the description (also updated translated languages with Ukrainian, and removed Latviešu)

MISS !!! How to link to TranslationOSD.md from develoment.md, help please

**DEPEND to ** Betaflight firmware with locale language PR 12454

[sonarqubecloud[bot]]

Quality Gate passed

Kudos, no new issues were introduced!

0 New issues
0 Security Hotspots
No data about Coverage
No data about Duplication

See analysis details on SonarCloud

[HThuren]

@haslinghuis I can't see your change request ?

[haslinghuis]

@HThuren - Blocking merge to make sure we first have firmware support included.

[github-actions[bot]]

This pull request has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs within a week.