docs: add issues/PRs templates

.github/ISSUE_TEMPLATE/BUG.md

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+---
+name: "🐛 Bug Report"
+about: "Report an unexpected problem or unintended behavior."
+title: "[Bug]"
+labels: "bug"
+---
+
+<!--
+  Please provide a clear and concise description of what the bug is. Include
+  screenshots if needed. Please make sure your issue has not already been fixed.
+-->
+
+## Steps To Reproduce
+
+1. Step 1
+2. Step 2
+
+## The current behavior
+
+## The expected behavior

.github/ISSUE_TEMPLATE/DOCUMENTATION.md

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+---
+name: "📜 Documentation"
+about: "Correct spelling errors, improvements or additions to documentation files (README, CONTRIBUTING...)."
+title: "[Documentation]"
+labels: "documentation"
+---
+
+<!-- Please make sure your issue has not already been fixed. -->
+
+## Documentation
+
+<!-- Please uncomment the type of documentation problem this issue address -->
+
+<!-- Documentation is Missing -->
+<!-- Documentation is Confusing -->
+<!-- Documentation has Typo errors -->
+
+## Proposal

.github/ISSUE_TEMPLATE/FEATURE_REQUEST.md

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+---
+name: "✨ Feature Request"
+about: "Suggest a new feature idea."
+title: "[Feature]"
+labels: "feature request"
+---
+
+<!-- Please make sure your issue has not already been fixed. -->
+
+## Description
+
+<!-- A clear and concise description of the problem or missing capability... -->
+
+## Describe the solution you'd like
+
+<!-- If you have a solution in mind, please describe it. -->
+
+## Describe alternatives you've considered
+
+<!-- Have you considered any alternative solutions or workarounds? -->

.github/ISSUE_TEMPLATE/IMPROVEMENT.md

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+---
+name: "🔧 Improvement"
+about: "Improve structure/format/performance/refactor/tests of the code."
+title: "[Improvement]"
+labels: "improvement"
+---
+
+<!-- Please make sure your issue has not already been fixed. -->
+
+## Type of Improvement
+
+<!-- Please uncomment the type of improvements this issue address -->
+
+<!-- Files and Folders Structure -->
+<!-- Performance -->
+<!-- Refactoring code -->
+<!-- Tests -->
+<!-- Not Sure? -->
+
+## Proposal

.github/ISSUE_TEMPLATE/QUESTION.md

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+---
+name: "🙋 Question"
+about: "Further information is requested."
+title: "[Question]"
+labels: "question"
+---
+
+### Question

.github/PULL_REQUEST_TEMPLATE.md

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+<!-- Please first discuss the change you wish to make via issue before making a change. It might avoid a waste of your time. -->
+
+# What changes this PR introduce?
+
+## List any relevant issue numbers
+
+## Is there anything you'd like reviewers to focus on?