v0.8.2

Notable changes:

• bc5d592 Move FontFamily resources out of theme dictionaries to make them easier to override
• aabe3f8 Simplify the usage of theme dictionaries
• d86b8df Fix "Cannot find resource named 'DefaultRepeatButtonStyle'" (#51)
• 0438fd8 Make it simpler to enable IntelliSense for XAML resources
• 6e67032 Add NavigationViewItemSeparator lightweight styling theme resources
• 454fd23 Simplify referencing system colors
• 9e553b4 Let HamburgerMenuEx respect CompactPane length for icon size