big help upgrades

- short descriptions for command list
  - argument descriptions
  - render argument list on detailed help page

commands/message/image/deepai/superresolution.js

@@ -9,6 +9,7 @@ module.exports = {
   aliases: ['sr'],
   metadata: {
     description: 'Upscales an image with SuperResolution.',
+    description_short: 'SuperResolution upscaling',
     examples: ['superresolution'],
     category: 'image',
     usage: 'superresolution <image>'