Feature/toggle theme button

[iamabutalha]

🛠️ Issue (Number)

Closes # 2071

Description

Added dark theme button which is stable and have the same color and alingment as the gotto github button also change it icon upon clicking on it

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Checklist:

• I have made this from my own
• I have taken help from some online resourses
• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• The title of my pull request is a short description of the requested changes.

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