Assets & Custom Domain Availability

This update fixes most known issues we've been through in the support server.

• Users can now add and link assets by adding new files in the /dashboard/assets file.
• Domain can now be entered and is less sensitive.
• Users can now use custom domains without ripping the callback url.
• The callback url generated is being displayed on the startup.
• Guild members are fetched on the start-up to prevent glitches.
• Intents have been added.
• Fixed vulnerability issues.
• Updated a few dependencies.