v7.0.0 - Adds Update tab, which can update & install lots of things very fast

What's Changed

• Adds "Update" tab which updates & installs all cores (with filters) by @neil-morrison44 in #483
• Removes the now not needed archive Cores UI & fixes data pack loading when there's loads of platforms by @neil-morrison44 in #484
• Fixes an inconsistency in palette folder naming by @neil-morrison44 in #485
• Makes the items in the update list click through to the core info pages by @neil-morrison44 in #486

Full Changelog: v6.4.0...v7.0.0