docs(project): add github templates

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug report
+about: Report a bug to help us improve
+title: ""
+labels: "bug"
+assignees: "orhun"
+---
+
+**Describe the bug**
+<!--- A clear and concise description of what the bug is. -->
+
+**To reproduce**
+<!---
+Steps to reproduce the behavior:
+1. Build with '...' arguments
+2. Run with '....' arguments
+3. Press '....' keys
+4. See error
+-->
+
+**Expected behavior**
+<!--- A clear and concise description of what you expected to happen. -->
+
+**Screenshots / Logs**
+<!--- If applicable, add screenshots to help explain your problem. -->
+
+**Software information**
+<!--- Please fill the following fields -->
+- Operating system: <!--- e.g. Arch GNU/Linux x86_64 5.4.8-arch1-1 -->
+- Rust version: <!--- e.g. rustc 1.60.0-nightly (e789f3a3a 2022-02-11) -->
+- Project version: <!--- e.g. 0.1.0 -->
+
+**Additional context**
+<!--- Add any other context about the problem here. -->

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: Feature request
+about: Make a suggestion for the project
+title: ""
+labels: "enhancement"
+assignees: "orhun"
+---
+
+**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/PULL_REQUEST_TEMPLATE/pull_request_template.md

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+## Description
+<!--- Describe your changes in detail -->
+
+## Motivation and Context
+<!--- Why is this change required? What problem does it solve? -->
+<!--- If it fixes an open issue, please link to the issue here. -->
+
+## How Has This Been Tested?
+<!--- Please describe in detail how you tested your changes. -->
+<!--- Include details of your testing environment, and the tests you ran to -->
+<!--- see how your change affects other areas of the code, etc. -->
+
+## Screenshots / Logs (if applicable)
+
+## Types of Changes
+<!--- What types of changes does your code introduce? Put an `x` in all the boxes that apply: -->
+- [ ] Bug fix (non-breaking change which fixes an issue)
+- [ ] New feature (non-breaking change which adds functionality)
+- [ ] Breaking change (fix or feature that would cause existing functionality to change)
+- [ ] Documentation (no code change)
+- [ ] Refactor (refactoring production code)
+- [ ] Other <!--- (provide information) -->
+
+## Checklist:
+<!--- Go over all the following points, and put an `x` in all the boxes that apply. -->
+- [ ] My code follows the code style of this project.
+- [ ] I have updated the documentation accordingly.
+- [ ] I have formatted the code with [rustfmt](https://github.com/rust-lang/rustfmt).
+- [ ] I checked the lints with [clippy](https://github.com/rust-lang/rust-clippy).
+- [ ] I have added tests to cover my changes.
+- [ ] All new and existing tests passed.