Modpack Update Checker

• Added limited markdown support.
• Massively revamped the changelogs screen. The info screen has been merged into the changelogs screen.
• The schema version has benen bumped to version 7.
• The githubRepo field has been renamed updateCheckerType
• A new advanced field retroWarning allows you to configure whether a warning screen is shown when opening worlds that have no associated MPUC metadata.

Report all bugs in the Modpack Update Checker Discord server!