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: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+Steps to reproduce the behaviour:
+
+**Expected behaviour**
+A clear and concise description of what you expected to happen.
+
+**Desktop (please complete the following information):**
+ - `GHC` version:
+ - `io-sim` version:
+ - `io-classes` version:
+
+**Additional context**
+Add any other context about the problem here. Attach `io-sim` or `io-sim-por` trace if possible.

.github/ISSUE_TEMPLATE/config.yaml

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+blank_issues_enabled: true
+contact_links:
+  - name: Questions
+    url: https://github.com/input-output-hk/io-sim/discussions
+    about: Please raise any questions in Discussions

.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.
+
+**Are you willing to implement it?**
+* [ ] Are you? :smiley: