0.4.0

• Upgraded Bootstrap from version 4 to version 5
• Converted containers and virtual-machines endpoints to instances endpoint to support Incus
• Combined containers and virtual-machines pages to instances page
• Datatable errors now display on console.log rather than the default alert
• Handled 404 error for logs on a new virtual machine
• Fixed several undefined value errors that may occur
• Updated virtual-machine cpu and memory functions to no longer use sleep