Meta improvements for resource page

[Kruzya]

I suggest:

• Add to meta image - resource icon (if added)
  For example, if i post link on my resource here:
  
  

  Unmaintained - [Telegram] Core

  Plugin provides the ability to log in via Telegram and basic code events for implementing bots with XF. By default, plugin implements two ways for authenticating: default Telegram OAuth Button and "dialog with bot" (for cases when button doesn't...

  xenforo.com
  
  We're see XenForo community logo, but resource has own logo, what can be used like this (note: this is a screenshot):
  
• Use short description instead full for meta description (?).