Add smooth scrolling functionality (#355)

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## Issues Identification

Closes: #314 

## Description
Add smooth scrolling effect and fix some bugs.(I will add Screen Shots)
### Summary
Smooth Scrolling and fix the footer section, rendering two times and
fixed the html file and removed unnecessary tags.

### Details
Include any detailed information about the changes in this pull request.

## Types of Changes

_Please check the boxes that apply_

- [x] Bugfix (non-breaking change that fixes an issue)
- [x] New feature (non-breaking change that adds functionality)
- [x] Breaking change (fix or feature that would cause existing
functionality to not work as expected)
- [ ] Documentation update (Documentation content changed)
- [ ] Other (please describe):

## Checklist

_Please check the boxes that apply_

- [x] My code follows the style guidelines of this project
- [x] I have performed a self-review of my own code
- [x] I have commented my code, particularly in hard-to-understand areas
- [x] I have made corresponding changes to the documentation
- [x] My changes generate no new warnings
- [x] My changes do not break the current system and pass all existing
test cases
- [x] I have added tests that prove my fix is effective or that my
feature works
- [x] New and existing unit tests pass locally with my changes
- [x] Any dependent changes have been merged and published in downstream
modules

## Screenshots

![image](https://github.com/user-attachments/assets/290a6200-3224-42b8-8751-357361e84246)


![image](https://github.com/user-attachments/assets/04ed2855-0206-4e0f-87b3-3dcaf188419f)


## Additional Information

Please provide any other information that is relevant to this pull
request.

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<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

- **New Features**
	- Introduced a smooth scrolling effect for enhanced user experience.
	- Restructured navigation bar for improved accessibility.
- Expanded the about section with additional content regarding the
organization's mission and values.

- **Improvements**
	- Enhanced formatting and structural organization of the HTML document.
	- Improved readability of the FAQ section and feedback form.

- **Bug Fixes**
- Removed redundant elements and ensured proper HTML structure in
various sections.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->