Added improvements to Github workflow

[marchingon12]

This pull request introduces several enhancements to streamline our GitHub workflow and improve project contribution guidelines:

1. Contributing Guidelines: Added a CONTRIBUTING.md file outlining the contribution process for this project. Contributors are encouraged to refer to this document when making contributions via pull requests.

2. Updated README: Enhanced the README with the following:

• Star History Diagram: Included a visual representation of star history to provide insight into project popularity and growth.
• Username Update: Updated references to the project owner's username.
• Contribution Reference: Included instructions in the README directing contributors to refer to CONTRIBUTING.md for guidance on making contributions via pull requests.

3. Pull Request Templates: Added two pull request templates to standardize the PR submission process:

• General PR Template: For general pull requests, bug fixes, and feature additions.
• Translation PR Template: Specifically tailored for translation-related pull requests.

These improvements aim to facilitate a smoother contribution process and enhance project documentation for both existing contributors and newcomers.

[starry-shivam]

Overall changes look great! Left a few comments