update new issue and pull request template

[xyb994]

Problem

• include raw.githack link example
• make checklist, reference the old one down below

[x] Check for issue number in pull request title
[x] Are there any unneeded files in the pull request?
[x] Did they make a branch for their patch?
[x] Does the pull request actually fix the issue?
[x] Check the pull request on raw.githack, does it display without any errors?
[x] Is there any merge conflicts?
[x] Make sure that people use their GitHub accounts when making commits through git

• take advantage of https://docs.github.com/en/communities/using-templates-to-encourage-useful-issues-and-pull-requests/syntax-for-issue-forms?

Steps to reproduce the problem

Screenshots

Proposed solution