Implement URL Shortening and Statistics Functionality

[Basma-90]

Description:

This pull request introduces several enhancements to the URL shortener project. Key updates include:

• Implementation of URL shortening, redirection, and statistics endpoints.
• Addition of MongoDB configuration and schema model for data management.
• Incorporation of URL validation middleware to ensure data integrity.
• Addition of an HTML template for the URL click statistics page.
• Configuration of URL routing with Express for improved navigation.
• Inclusion of new dependencies in the package.json file.
• Addition of a script.js file to support frontend functionality.

These changes collectively enhance the user experience and expand the capabilities of the application.

Labels:

• Feature
• Enhancement
• Review Needed
• Ready for Merge

Reviewers: @saifsweelam