New issue template

.github/ISSUE_TEMPLATE/bug-report.md

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+---
+name: Bug report
+about: Something doesn't works as expected.
+title: ''
+labels: bug
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**Related issues you could find**
+Please make sure to search for duplicates.
+If you couldn't find the duplicates, linking related issues is helpful anyway.

.github/ISSUE_TEMPLATE/config.yml

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+contact_links:
+  - name: Ask a question
+    url: https://github.com/nikitabobko/AeroSpace/discussions/categories/questions-and-answers
+    about: Please ask and answer questions here.
+  - name: Feature request/idea
+    url: https://github.com/nikitabobko/AeroSpace/discussions/categories/feature-ideas
+    about: All vague defined feature requests must be firstly brainstormed in "feature ideas".

.github/ISSUE_TEMPLATE/feature-proposal.md

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+---
+name: Feature proposal
+about: 'Create a well-defined and complete feature proposal. If you are unsuare you can brainstorm your ideas in #feature-ideas in GitHub Discusssions.'
+title: ''
+labels: feature-proposal
+assignees: ''
+
+---
+
+