Release: v3.0.0

[jonjomckay]

• [ ] Create the Markdown changelog
• [ ] Create the Fastlane changelogs (one per ABI)
• [ ] Add the Markdown changelog into the application
• [ ] Increment the version number
• [ ] Increment the version code
• [ ] Create a blank changelog for the next development version
• [ ] Build the Play Store version
• [ ] Create the Git tag
• [ ] Generate the F-Droid metadata
• [ ] Publish the Play Store version
• [ ] Publish the to the Fritter F-Droid repository
• [ ] Publish changelog on fritter.cc

[Aga-C]

Remember to merge and unlock Weblate translations.