Feat: Progressive Web App (PWA)

[Gautam-Hegde]

This PR introduces Progressive Web App (PWA) functionality to our CMS,

• users can install cms as a standalone app on their devices.(no more tab switches)
• w/ next-pwa package
• optimized with proper icons for windows, ios and android devices.

PWA in action

Lighthouse report

Checklist before requesting a review

• [x] I have performed a self-review of my code
• [x] I assure there is no similar/duplicate pull request regarding same issue

[Gautam-Hegde]

@hkirat awaiting for a review.

[nimit9]

Is there a need for so many icons? Isn't this over optimisation?

[Gautam-Hegde]

Is there a need for so many icons? Isn't this over optimisation?

yep, but icons are actually super light and optimized for PWA, gen using std. PWA builder. I don't see it as overoptimization cuz its an accessibility ft

[Gautam-Hegde]

closing due to inactivity.