enhance UI of end page

By adding( images , stickers ), changing text style , making it more attractive and awarding for high scorers .
add congratulations banner for completing the quiz etc...

[Nitya-Pasrija]

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[Akanchha112]

Hey @sakshiigdtw. I am assigning this issue to you but with PR attach a ss too so that I can see whether it will enhance the UI or not. :)

[Akanchha112]

Hey @sakshiigdtw. I am assigning this issue to you but with PR attach a ss too so that I can see whether it will enhance the UI or not. :)

@Akanchha112 i had made the above changes but @Nitya-Pasrija request for git pull ,I don't know how to make git pull so, i am working on it