chat_uikit_theme 0.0.8

chat uikit theme.

0.0.8

• bug fix;

0.0.6

• add font size settings methods.

0.0.5

• add font size settings.

0.0.4

• add get textStyle methods.

0.0.3

• change barrageColor dark mode an light mode.

0.0.2

• Modify the 'ChatUIKitTheme.of' return type;
• Update barrageColor lightness.

0.0.1

• Add light and dark theme;
• Add default fonts;