docs: visually separate global options

Author: jrappen

Diff for: bin/docsify

@@ -79,13 +79,15 @@ var argv = require('yargs')
   .option('help', {
     alias: 'h',
     type: 'boolean',
-    desc: chalk.gray(y18n.__('help'))
+    desc: chalk.gray(y18n.__('help')),
+    group: chalk.green(y18n.__('group.globaloptions'))
   })
   .version('\ndocsify-cli version:\n  ' + pkg.version + '\n')
   .option('version', {
     alias: 'v',
     type: 'boolean',
-    desc: chalk.gray(y18n.__('version'))
+    desc: chalk.gray(y18n.__('version')),
+    group: chalk.green(y18n.__('group.globaloptions'))
   })
   .epilog(chalk.green(y18n.__('epilog')) + ':\n' +
           '  https://QingWei-Li.github.io/docsify\n' +

Diff for: bin/locales/de.json

@@ -1,5 +1,6 @@
 {
     "usage": "Anwendung",
+    "group.globaloptions": "Globale Optionen",
     "init": "Erzeuge neue Dokumentation.",
     "init.local": "Kopiere docsify Dateien in lokale Ordner.",
     "init.theme": "Zu verwendende Theme Dateien.",

Diff for: bin/locales/en.json

@@ -1,5 +1,6 @@
 {
     "usage": "Usage",
+    "group.globaloptions": "Global Options",
     "init": "Creates new docs",
     "init.local": "Copy docsify files to local.",
     "init.theme": "Theme file to be used.",