Add repo issue and PR templates

[fearnworks]

Description

Please include a summary of the changes and the related issue.
Fixes #166

Type of Change

• Bug fix
• New feature
• Documentation update
• Refactoring
• CI/CD updates
• Other (please describe):
  Updates to .github/* templates.

How Has This Been Tested?

Prototyped in graphcap repo.

Describe the tests that you ran to verify your changes. Include details on your testing environment if applicable.
Can not manually test until it is in main, however equivalent system has been tested in sibling repo.

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added or updated tests that prove my fix is effective or my feature works

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[CheesyLaZanya]

Read through every template, did not find any typos and content all seemed good. LGTM.