feat: move to TypeScript

closes egoist#13 egoist#11

test: setup unit tests suite using Jest

feat: upgrade to support Vue 3 (egoist#114)

Co-authored-by: EGOIST <0x142857@gmail.com>

BREAKING CHANGE:

Require Vue 3

fix: Added string as prototype for width and height (egoist#66)

Fix egoist#65

chore: add semantic-release