[javascript mode] Add support for template string types
[javascript mode] Add support for template string types

Issue #5774

pabloferz/CodeMirror,dperetti/CodeMirror,pabloferz/CodeMirror,dperetti/CodeMirror,nightwing/CodeMirror,wingify/CodeMirror,hackmdio/CodeMirror,pabloferz/CodeMirror,hackmdio/CodeMirror,wingify/CodeMirror,hackmdio/CodeMirror,dperetti/CodeMirror,nightwing/CodeMirror,nightwing/CodeMirror,wingify/CodeMirror