add loading container component

[mahmut-gundogdu]

Description

• Should we remove the blinking with Delay.
• Get help for Dark mode (@armanozak)
• refactor abpLoading directive

Checklist

• I fully tested it as developer / designer and created unit / integration tests
• I documented it (or no need to document or I will create a separate documentation issue)

How to test it?

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.