support embedded hbs

Author: NullVoxPopuli

grammars/javascript.cson

@@ -1494,6 +1494,30 @@
           }
         ]
       }
+      {
+        'begin': '(hbs|handlebars)\\s*(`)'
+        'beginCaptures':
+          '1':
+            'name': 'entity.name.function.js'
+          '2':
+            'name': 'punctuation.definition.string.begin.js'
+        'end': '`'
+        'endCaptures':
+          '0':
+            'name': 'punctuation.definition.string.end.js'
+        'name': 'string.quoted.template.sql.js'
+        'patterns': [
+          {
+            'include': '#string_escapes'
+          }
+          {
+            'include': '#interpolated_js'
+          }
+          {
+            'include': 'source.handlebars'
+          }
+        ]
+      }
       {
         'begin': '`'
         'beginCaptures':