Add GH issue template

Author: Svetlana Karslioglu

.github/ISSUE_TEMPLATE/bug-report.yml

@@ -0,0 +1,47 @@
+name: Bug Report
+description: Create a tutorial bug report
+
+body:
+- type: markdown
+  attributes:
+    value: >
+      #### Before submitting a bug, please make sure the issue hasn't been already addressed by searching through [the existing and past issues](https://github.com/pytorch/tutorials/issues?q=is%3Aissue+sort%3Acreated-desc+).
+- type: textarea
+  attributes:
+    label: Describe the bug
+    description: |
+      **Link to the tutorial on the website:** <Add link>
+    placeholder: |
+      Provide a detailed description of the issue with code samples if relevant
+      ```python
+
+      # Sample code to reproduce the problem if relevant
+      ```
+
+      **Expected Result:** (Describe what you were expecting to see)
+
+
+      **Actual Result:** (Describe the result)
+
+      ```
+      The error message you got, with the full traceback.
+      ```
+
+  validations:
+    required: true
+- type: textarea
+  attributes:
+    label: Describe your environment
+    description: |
+      **Describe your environment:**
+ 
+      * Platform (i.e macOS, Linux, Google Colab):
+      * CUDA: 
+      * PyTorch version (run `python -c "import torch; print(torch.__version__)"`):
+
+  validations:
+    required: true
+- type: markdown
+  attributes:
+    value: >
+      Thanks for contributing 🎉!