chore(.github): add PR and issue template

.github/ISSUE_TEMPLATE/config.yml

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+blank_issues_enabled: true

.github/ISSUE_TEMPLATE/issue-template.md

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+---
+name: Add a New Issue
+about: Use this template to raise an issue.
+title: "[Issue Title]"
+labels: 
+assignees:
+---
+
+### Expected Behavior
+
+Please describe the behavior you are expecting
+
+### Current Behavior
+
+What is the current behavior?

.github/pull_request_template.md

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+### Description
+
+_A few sentences describing the overall effects and goals of the pull request's commits.
+What is the current behavior, and what is the updated/expected behavior with this PR?_
+
+### Other changes
+
+_Describe any minor or "drive-by" changes here._
+
+### Tested
+
+_An explanation of how the changes were tested or an explanation as to why they don't need to be._
+
+### Related issues
+
+- closes [ID]
+
+<!-- Linear magic words
+
+1. Closing 
+  1. close, closes, closed, closing fix, fixes, fixed, fixing, resolve, resolves, resolved, resolving, complete, completes, completed, completing
+  2. move the issue to In Progress when the branch is pushed and Done when the commit is merged to the default branch
+2. Non-closing
+  1. ref, references, part of, related to, contributes to, towards
+  2. will not close the issue when the PR or commit merges
+-->
+
+### Backwards compatibility
+
+_Brief explanation of why these changes are/are not backwards compatible._
+
+### Documentation
+
+_The set of community facing docs that have been added/modified because of this change_