[FEATURE] Add Sitemap for Better SEO and Navigation

[Mrigakshi-Rathore]

Add a Sitemap Page to the website that displays all the important sections and links of the project in a structured, easy-to-navigate format.
This will help users quickly explore every part of the site.

⸻

🪲 Is your feature related to a problem? Please describe.

Currently, users have no single page to view all available links or sections.
A sitemap page will make navigation easier and improve the overall user experience.

⸻

💡 Describe alternatives you’ve considered
• Keeping navigation only in the header/footer (but that doesn’t show all pages).
• Using dropdown menus (less accessible for large sites).

A dedicated sitemap page is simple, user-friendly, and easy to maintain.

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🖼️ Additional context

Implementation details:
• Create a new file sitemap.html
• Use clean HTML structure with lists and hyperlinks for each page
• Style using CSS for readability and consistency with the site’s theme
• Add a link to the sitemap page in the footer or navbar

Example sections:
• Home
• About
• Convert Recipe

[github-actions]

Thank you for raising this issue!

We'll review it as soon as possible. We truly appreciate your contributions! ✨

Meanwhile make sure you've visited the README.md, CONTRIBUTING.md, and CODE_OF_CONDUCT.md before creating a PR for this. Also, please do NOT create a PR until this issue has been assigned to you. 😊

[supriya46788]

@Mrigakshi-Rathore do you want to work on : change in blog page theme color, you can create an issue for it i will assign it to you