bug fixing with svg editor, update README.md

1.2.2

New rendering pipeline + new layers and filters

Add elegant check to draw() in Canvas.js

New modules added, optimization + clean up + updated documentation

Merge remote-tracking branch 'origin' into decoratedLens

Fix bugs and remove double export of createSVGElement (from ScaleBar.js)

OpenLIME 1.0.1

First Release - OpenLIME 1.0.0

added package-lock.json