Update 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: ''
+
+---
+
+**Description**
+
+<!-- A clear and concise description of what the bug is. -->
+
+**To Reproduce**
+
+Here are the steps to reproduce the behavior using [MINRC](../../blob/master/tests/MINRC):
+
+<!--
+1. ...
+2. ...
+3. ...
+-->
+
+**Expected behavior**
+
+What is expected to happen:
+
+**Screenshots**
+
+<!-- if applicable -->
+
+**Desktop (please complete the following information):**
+
+ - nvim --version:

.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. -->
+
+**Additional context**
+
+<!-- Add any other context or screenshots about the feature request here. -->