update docs with shape and line-style values
update docs with shape and line-style values

soomin-maeng/cytoscape.js,rlugojr/cytoscape.js,KonstantinShemyak/cytoscape.js,soomin-maeng/cytoscape.js,rlugojr/cytoscape.js,cytoscape/cytoscape.js,KonstantinShemyak/cytoscape.js,cytoscape/cytoscape.js