Calendar Extension.

[Nehayp21242929]

I want to add an calendar extension. please assign it to me.

Is your feature request related to a problem? Please describe. A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]

Describe the solution you'd like A clear and concise description of what you want to happen.

Describe alternatives you've considered A clear and concise description of any alternative solutions or features you've considered.

Additional context Add any other context or screenshots about the feature request here.

What problem is this feature trying to solve?

How do we know when the feature is complete?