suit 1.1.0

A library of platform adaptation scheme based on the ViewPort(vw, vh) and Relative Position(rw, rh).

[1.1.0] - Relative position

• Support relative position
• Update the example
• Rewrite the doc file

[1.0.0] - Null Safety

• Support nullsafety
• Add travis-ci
• Rewrite the doc on pub.dev

[0.0.2] - aspectRatio

• repaire: [Adapter] setVH: vw -> vh
• add: padding, aspectRatio

[0.0.1] - Base Version

• Achieve the baseic adaptation