Add bug report template.

.github/ISSUE_TEMPLATE/bug-report.yml

@@ -0,0 +1,59 @@
+name: 🐛 Bug Report
+description: Found a bug? Help us squash it.
+labels: ["bug"]
+
+body:
+
+- type: markdown
+  attributes:
+    value: |
+      Consider [supporting the project](https://github.com/sponsors/alexdlaird) to have your request prioritized.
+
+- type: checkboxes
+  id: ack
+  attributes:
+    label: Acknowledgements
+    options:
+    - label: I have written a descriptive issue title
+      required: true
+    - label: I have searched [Issues](issues?q=is%3Aissue) to see if the bug has already been reported
+      required: true
+    - label: I have searched [Stack Overflow](https://stackoverflow.com/questions/) to ensure the issue I'm experiencing has not already been discussed
+
+- type: input
+  id: os-version
+  attributes:
+    label: Operating System
+    placeholder: macOS 10.14.5
+  validations:
+    required: true
+
+- type: input
+  id: python-version
+  attributes:
+    label: Python Version
+    placeholder: 3.9.2
+  validations:
+    required: true
+
+- type: textarea
+  id: describe-the-bug
+  attributes:
+    label: Describe the Bug
+    description: A clear and concise description of what the bug is, including exceptions thrown.
+  validations:
+    required: true
+
+- type: textarea
+  id: steps-to-reproduce
+  attributes:
+    label: Steps to Reproduce
+    description: A snippet of the code used to reproduce the behavior.
+  validations:
+    required: true
+
+- type: textarea
+  id: expected-behavior
+  attributes:
+    label: Expected Behavior
+    description: A brief description of what you expected to happen.