v2.0.0-beta.17

Fixed:

• Fixed improper parsing of css files in themes
• Fixed toast animation not working

Added:

• Updated button with svgs from: https://fonts.google.com/
• Added disabled icon support for all buttons (now possible to have different icons for enabled/disabled state)
• Added svg component support for button icons (conveniently use the fill attribute to recolor icons!)
• Added a new sendIconDisabledStyle
• Loading of chat history no longer locks the text area
• Standardized keyframe naming conventions