create skeleton loader when an image is being generated

Is your feature request related to a problem? Please describe. we have a simple spinnig loader on submit button when image is being generated, which is good but not great.

Describe the solution you'd like Keep that spinning loader as it is and add an skeleton loader where image will be generated.

Describe alternatives you've considered N/A

Check if applicable

• I have checked that this feature request does not exists on issues page.

Additional context N/A

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