Dark mode button and application of dark mode and 404 erro page and and dynamic title Fix damaged files ( damaged due to merge of unresolved merge conflicts)

[abhishekpanthee]

Fix damaged files pakage.json // page.tsx ( damaged due to merge of unresolved merge conflicts) , Dark mode button and application of dark mode and
in conclusion

• fix damage files

• dark mode and toggle button

• 404 page customization

• dynamic title

i would complete these in 7 hours of assigning to me if not you could assign another person
in first 10 min of assigning this to me I will open a pr for fixing damaged files then other functionalities in the next pr
if not submission of the desired features in the nick of time you could reassign them
it would be good if you could label it gssoc-ext hacktoberfest-accepted and the leval is determined to you
if accepted Thanks for letting me contribute to it

[github-actions]

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[abhishekpanthee]

Please ping me if you want only some features despite of all the mentioned