Feature #554: Misc. translations and footer

[andre-meyer]

Description

• Added new Footer Type: translation, takes a key that will be passed to the translations.

Which Tickets does my PR fix? (Put in title too)

• fixes #554

Which PRs are linked to my PR?

• /

Which side effects could my PR have?

• The files that were previously used for the footer are no longer used in the current version

Which Steps did I take to verify my PR?

Markdown in Footer tested

• Still works like before

Translations checked

• Not in german though, to get them done

Background Information

• /

Configuration Entries

/olympia/staging.config

{
  "footer": {
     ...
     "options: {
      "type": "translation",
      "key": "footer_tournament_md",
    }
  }
}

/mainnet/staging.config

{
  "footer": {
     ...
     "options: {
      "type": "translation",
      "key": "footer_md",
    }
  }
}