feat: add formalized issue template (#417)

.github/ISSUE_TEMPLATE/bug_report.yaml

@@ -0,0 +1,40 @@
+name: Bug report
+description: Create a bug report to help us to improve
+title: "[BUG] ..."
+labels: bug
+body:
+  - type: textarea
+    attributes:
+      label: Description
+      description: |
+        Briefly describe the problem you are having in a few paragraphs.
+    validations:
+      required: true
+
+  - type: textarea
+    attributes:
+      label: Code snippet that reproduces the issue
+      description: |
+        Write a runnable code example that reproduces unexpected behavior
+    validations:
+      required: true
+
+  - type: textarea
+    attributes:
+      label: Describe the results you expected
+    validations:
+      required: true
+
+  - type: input
+    attributes:
+      label: Python version you are using
+      placeholder: python --version
+    validations:
+      required: true
+
+  - type: textarea
+    attributes:
+      label: Environment description
+      placeholder: python -m pip freeze
+    validations:
+      required: true

.github/ISSUE_TEMPLATE/feature_request.yaml

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+name: Feature request
+description: Suggest an idea for this project
+title: "[FEATURE] ..."
+labels: enhancement
+body:
+  - type: textarea
+    attributes:
+      label: Description
+      description: Is your feature request related to a problem? Please describe.
+      value: I'm always frustrated when [...]
+    validations:
+      required: true
+
+  - type: textarea
+    attributes:
+      label: Possible solution
+      description: |
+        Describe the solution you'd like.
+        A clear and concise description of what you want to happen.
+    validations:
+      required: false
+
+  - type: textarea
+    attributes:
+      label: Alternatives
+      description: |
+        Describe alternatives you've considered
+        A clear and concise description of any alternative solutions or features you've considered.
+    validations:
+      required: true
+
+  - type: textarea
+    attributes:
+      label: Context
+      description: |
+        Additional context
+        Add any other context or screenshots about the feature request here.
+    validations:
+      required: false