docs(issue_template): update issue template demo version (#418)
docs(issue_template): update issue template demo version (#418)

* Update ISSUE_TEMPLATE.md

* Update ISSUE_TEMPLATE.md

valor-software/ng2-charts,Blueliv/ng2-charts,valor-software/ng2-charts,Blueliv/ng2-charts,valor-software/ng2-charts,valor-software/ng2-charts