Adding FLASK course in doc sectiom

[parthshah02]

Is there an existing issue for this?

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Issue Description

I would add flask in doc section

Suggested Change

feature will be added

Rationale

No response

Urgency

High

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[github-actions]

Hi @Parth20GitHub! Thanks for opening this issue. We appreciate your contribution to this open-source project. Your input is valuable and we aim to respond or assign your issue as soon as possible. Thanks again!

[github-actions]

Hello @Parth20GitHub! Your issue #3912 has been closed. Thank you for your contribution!