Added proper Admin Dashboard Boilerplate to use across all pages (#379)

[dipexplorer]

Fixes #379

This PR addresses issue #379, which highlights the need for a consistent boilerplate template across all pages of the admin dashboard. By refactoring the code to use a shared template, we reduce redundancy and improve the overall maintainability and consistency of the codebase.

Changes Made

• Created a proper boilerplate template that includes in every page to avoid code duplication.
• Refactored each admin dashboard page to extend or import the new boilerplate template, removing duplicate code for the common layout and elements.

Screenshots (if applicable)

N/A for this PR, as this is a code refactor with no significant visual changes.

Checklist

• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• My changes generate no new warnings
• I am working on this issue under GSSOC

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Name	Status	Preview	Comments	Updated (UTC)
wanderlust-2024	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Nov 5, 2024 3:14pm

[github-actions]

Thank you for submitting your pull request! 🙌 We'll review it as soon as possible. In the meantime, please ensure that your changes align with our CONTRIBUTING.md. If there are any specific instructions or feedback regarding your PR, we'll provide them here. Thanks again for your contribution! 😊

[Soujanya2004]

@dipexplorer