Update issue templates

Added issue templates

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: bug
+assignees: ''
+
+---
+
+**Describe the bug**
+Please explain what happened and provide the context in which the bug occurred.
+
+**Expected behavior**
+Please tell us why you think the behavior is unexpected. If you can, please copy-paste logs or error messages you got while facing the bug.
+
+**How to Reproduce**
+Please provide us reproducible step-by-step guide on how to reproduce the bug. Please keep in mind that non-reproducible issues will be closed.
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**Desktop (please complete the following information):**
+ - OS: [e.g. iOS]
+ - Browser [e.g. chrome, safari]
+ - Version [e.g. 22]
+
+**Additional context**
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: enhancement
+assignees: ''
+
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.

.github/ISSUE_TEMPLATE/tasks-and-meta.md

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+---
+name: Tasks and meta
+about: Maintainers only
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**Description**
+Add a short description and screen shots if needed.