Updated display according to user default theme

[0kt1]

Issue:

Implement display according to user default system theme

Changes made

• Added a settings page screen to change the theme.
• Updated the themes for the app.
• Made some UI changes.

How does the solution address the problem

This PR updates the app to follow the system's default theme and offers users the choice of light, dark, or system default themes.

Linked issues

Resolves #47

[dk-a-dev]

@0kt1 please try to pull from master and resolve merge conflicts ASAP Your PR is under review

[dk-a-dev]

We have added new lint rules which will produce a lot of warnings try to first resolve conflicts and then refactor a/c to warnings, if u need my help message me, then I will continue ur PR review @0kt1

[0kt1]

Hey @dk-a-dev , I have resolved the conflicts and refactored the code according to lint rules. Could you please review it? Thanks.

[dk-a-dev]

Please pull from the origin main once so that ur branch gets updated with master commits this may cause merge conflicts but I will solve them once u pull and iff face issues le me know git pull origin master

[0kt1]

Hey @dk-a-dev, I am not able to get the master commits. It's showing it's already up-to-date.

[dk-a-dev]

@0kt1 sorry for the repo lockdown, we were fixing the issue of repo not showing up for hacktoberfest, its fixed now

[0kt1]

Fine. @dk-a-dev, can you please review my PR and approve it, or are there any changes that need to be made?

[dk-a-dev]

@0kt1 is that settings colour issue fixed, if that fixed this pr will be merged

[0kt1]

@dk-a-dev , Actually, there is no issue with the settings icon, it's changing color in each mode.

[dk-a-dev]

@0kt1 ...updates on fixes

[0kt1]

@dk-a-dev ,I updated the final fixes.

[0kt1]

@dk-a-dev ,Thank You!