chore: Add issue templates (#735)

Author: pgrzesik

.github/ISSUE_TEMPLATE/bug-report.yml

@@ -0,0 +1,68 @@
+name: 🐛 Bug report
+description: Create a bug report
+body:
+  - type: checkboxes
+    attributes:
+      label: Are you certain it's a bug?
+      description: If you're uncertain, please report at https://github.com/serverless/serverless-python-requirements/discussions instead
+      options:
+        - label: Yes, it looks like a bug
+          required: true
+  - type: checkboxes
+    attributes:
+      label: Are you using the latest plugin release?
+      description: Latest version can be checked at https://github.com/serverless/serverless-python-requirements/releases/latest
+      options:
+        - label: Yes, I'm using the latest plugin release
+          required: true
+  - type: checkboxes
+    attributes:
+      label: Is there an existing issue for this?
+      description: Please search to see if an issue already exists
+      options:
+        - label: I have searched existing issues, it hasn't been reported yet
+          required: true
+  - type: textarea
+    attributes:
+      label: Issue description
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Service configuration (serverless.yml) content
+      description: |
+        Provide COMPLETE content of serverless.yml, ensuring that:
+        • It consistently reproduces described issue
+        • It's as minimal as possible
+        • Ideally with no other plugins involved
+        • Has sensitive parts masked out
+
+        If not applicable, fill with "N/A"
+      render: yaml
+    validations:
+      required: true
+  - type: input
+    attributes:
+      label: Command name and used flags
+      description: |
+        Full command name with used flags (If not applicable, fill with "N/A")
+      placeholder: serverless <command name> [...flags]
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Command output
+      description: |
+        COMPLETE command output.
+
+        If not applicable, fill with "N/A"
+      render: shell
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Environment information
+      description: '"serverless --version" output + used version of the plugin'
+      render: shell
+    validations:
+      required: true

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,5 @@
+blank_issues_enabled: false
+contact_links:
+  - name: Question
+    url: https://github.com/serverless/serverless-python-requirements/discussions
+    about: Please ask and answer questions here

.github/ISSUE_TEMPLATE/feature-request.yml

@@ -0,0 +1,21 @@
+name: 🎉 Feature request
+description: Suggest an idea
+body:
+  - type: checkboxes
+    attributes:
+      label: Is there an existing issue for this?
+      description: Please search to see if an issue already exists
+      options:
+        - label: I have searched existing issues, it hasn't been reported yet
+          required: true
+  - type: textarea
+    attributes:
+      label: Use case description
+      description: Describe the use case that needs to be addressed
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Proposed solution (optional)
+      description: |
+        e.g. propose how the configuration and implementation of the new feature could look