docs(pull_request_template): #361 add PR templates for different issue types

[abhisheksr01]

Description

This PR adds multiple PR templates for each issue type captured in the issue template.

Affected Documentation

Link to GitHub Issue: #361

Affected Documentation:

• README
• Setup Instructions
• API Documentation
• Developer Guide
• Contribution Guide
• Other (please specify):
  • PR templates
  • Issue template

How Has This Been Tested?

Please describe how the changes to the documentation were reviewed. If applicable, include instructions on how to view or
test the updated documentation.

• Documentation preview checked in markdown renderer
• Links and images tested for correctness

Proper testing can be only be done once changes are merged.

Checklist for Author

• The PR follows below contribution conventions
  • PR title follows conventional commits format commit_type(
    scope): issue_reference message
  • PR commits follows conventional commits format commit_type(
    scope): issue_reference message
  • PR branch follows the convention of format [commit_type]-[issue-reference]-[brief-description]
• My code follows the style guidelines of this project
• I have performed a self-review of my documentation to reflect the code changes, spelling and is clearly accurate
• I have tested the documentation for correctness and if required added evidences(e.g., links, images)
• My changes generate no new warnings or errors
• Checks for unused files
• Checks for changes not related to this issue

Additional notes for reviewer

Checklist for Reviewer

• The PR follows contribution guidelines
• Reviewed documentation for accuracy and rendering