v3.0.0

• Breaking changes, more type safety, add more features, and simplify few properties
• Remove isMultiChoice property, instead use SmartSelect<T>.single() or SmartSelect<T>.multiple()
• Remove option property, instead use options property and change its value from SmartSelectOptionConfig to List<SmartSelectOption<T>>
• Remove modal property, instead use modalType to change how to open modal and modalConfig to configure modal header, modal style, etc
• Remove choice property, instead use choiceType to change choice widget and choiceConfig to configure choice style, etc
• Choice modal can have different title with trigger/tile widget by configuring modalConfig.title
• Choice modal can have leading and trailing widget by configuring modalConfig.leading and modalConfig.trailing