Merge branch 'release/0.0.70' into develop
src: add instance method 'topRightCorner()'
test: add instance method 'topRightCorner()' testings
lint: add some files for linting pass
readme: add instance method 'topRightCorner()' api
npm: 0.0.70 -> 0.0.71
Merge branch 'release/0.0.71'