refactor: made many changes

feat: added registerFont function
feat: added support for fit with SVG images
feat: added skia-canvas support
feat: added filter helper
feat: added Canvas#setFilter
feat: added Canvas#resetFilters
feat: added exports field in package
feat: marked package as side-effects free
feat: added Angle type
feat: added Color type
feat: added Length type
feat: added Percentage type
refactor: remove undocumented function usage from node-canvas
BREAKING CHANGE: refactor: removed peer dependencies
BREAKING CHANGE: refactor: renamed Canvas#setAntialiasing to Canvas#setAntiAliasing
BREAKING CHANGE: refactor: make Canvas#setAntiAliasing throw if node-canvas was not installed
BREAKING CHANGE: refactor: make Canvas#setTextDrawingMode throw if node-canvas was not installed
BREAKING CHANGE: refactor: make Canvas#setPatternQuality throw if node-canvas was not installed
BREAKING CHANGE: refactor: make hex's return type stricter
BREAKING CHANGE: refactor: make rgb's return type stricter
BREAKING CHANGE: refactor: make rbga's return type stricter
BREAKING CHANGE: refactor: make hsl's return type stricter
BREAKING CHANGE: refactor: make hsla's return type stricter
chore(deps): updated all dependencies

kyranet / canvas-constructor