Resolved a typo in the readme file.

[noviicee]

Description

Resolved a typo in the first line of the readme of "All_links_from_given_webpage"

Type of change

Choosing one or more options from the following as per the nature of your Pull request.

• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [x] Documentation Update

Checklist:

Please tick all the boxes that are fulfilled by your Pull Request.

• [x] I have named my files and folder, according to this project's guidelines.
• [x] My code follows the style guidelines of this project.
• [x] My Pull Request has a descriptive title. (not a vague title like Update index.md)
• [ ] I have commented on my code, particularly in hard-to-understand areas.
• [ ] I have created a helpful and easy to understand README.md, according to the given README_TEMPLATE.
• [ ] I have included a requirements.txt file (if external libraries are required.)
• [x] My changes do not produce any warnings.
• [ ] I have added a working sample/screenshot of the script.

[noviicee]

Reviews are welcomed :)