Added the feature to auto comment on a new issue creation

[suhanipaliwal]

Pull Request for DL-Simplified 💡

Issue Title : Feature for auto commenting on a new issue creation

• Info about the related issue (Aim of the project) : This feature aims to address the problem of delayed and inconsistent communication following the creation of issues.
• Name: Suhani Singh Paliwal
• GitHub ID: suhanipaliwal
• Email ID: suhanispaliwal@gmail.com
• **Idenitfy yourself: GSSOC Contributor

Closes: #611

Describe the add-ons or changes you've made 📃

I have added auto-comment-on-issue.yml in .github/workflows directory. This file will add the feature of auto commenting when a new issue is created.

Type of change ☑️

What sort of change have you made:

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Code style update (formatting, local variables)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] This change requires a documentation update

Checklist: ☑️

• [x] My code follows the guidelines of this project.
• [x] I have performed a self-review of my own code.
• [x] I have commented my code, particularly wherever it was hard to understand.
• [x] I have made corresponding changes to the documentation.
• [x] My changes generate no new warnings.
• [x] I have added things that prove my fix is effective or that my feature works.
• [x] Any dependent changes have been merged and published in downstream modules.

[github-actions[bot]]

Our team will soon review your PR. Thanks @suhanipaliwal :)