v3.0.0

Breaking changes:

• [SettingsSection, SettingsTile] title is now a Widget instead of String
• [SettingsTile] Subtitle is renamed to Description
• [SettingsTile] subtitleBelowTitle is removed. descriptionInlineIos is added.
• [CustomTile] is renamed to [CustomSettingsTile]
• [CustomSection] is renamed to [CustomSettingsSection]
• [SettingsTile.switchTile] switchValue is renamed to initialValue

Bugs fixed:

• Fixed an issue which caused the settings list to crash when the width of the list was smaller than the device screen width.

Other changes:

• Updated dependencies
• Reformatted code to latest conventions