cache downloaded images with chitra.image.Chitra

[aniketmaurya]

Is your feature request related to a problem? Please describe.

from chitra.image import Chitra

# image is downloaded from internet
image = Chitra(IMAGE_URL)

# same image is downloaded again!
image = Chitra(IMAGE_URL)

Describe the solution you'd like

Cache the image in local dir

What I want is -

from chitra.image import Chitra

# image is downloaded from internet
image = Chitra(IMAGE_URL, cache=True)

# image is loaded from cached dir
image = Chitra(IMAGE_URL, cache=True)

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.