Add Visual Basic Script support (#122)

Author: McLoo

src/renderer/assets/data/languages.json

@@ -127,6 +127,10 @@
     "name": "typescript",
     "extension": "ts"
   },
+  {
+    "name": "vbscript",
+    "extension": "vbs"
+  },
   {
     "name": "xml",
     "extension": "xml"

src/renderer/main.js

@@ -45,6 +45,7 @@ require('brace/mode/sh');
 require('brace/mode/sql');
 require('brace/mode/swift');
 require('brace/mode/typescript');
+require('brace/mode/vbscript');
 require('brace/mode/xml');
 require('brace/theme/monokai');