Added Scroll down Progress Bar to Missing Pages

[aslams2020]

Hey @ayush-that, @deepeshmlgupta

issue closes #341,

I have added the Scroll down progress bar to the missing pages in the footer section.

Here is the video -

https://github.com/ayush-that/FinVeda/assets/131389695/03b3f2ab-a4b8-4908-b3a5-fb78ad8dadf1

Please take a look and review it.

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Name	Status	Preview	Comments	Updated (UTC)
fin-veda	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jun 22, 2024 5:29am

[aslams2020]

@ayush-that , @deepeshmlgupta