docs: Add issue templates (#388)

.github/ISSUE_TEMPLATE/FEATURE_REQUEST.yml

@@ -0,0 +1,36 @@
+name: "\U0001F680 Feature request"
+description: Suggest an idea for improving the container
+labels: ["enhancement"]
+body:
+  - type: textarea
+    id: problem
+    attributes:
+      label: Is your proposal related to a problem?
+      description: |
+        Provide a clear and concise description of what the problem is.
+        For example, "I'm always frustrated when..."
+    validations:
+      required: true
+  - type: textarea
+    id: solution
+    attributes:
+      label: Describe the solution you'd like.
+      description: |
+        Provide a clear and concise description of what you want to happen.
+    validations:
+      required: true
+  - type: textarea
+    id: alternatives
+    attributes:
+      label: Describe alternatives you've considered.
+      description: |
+        Let us know about other solutions you've tried or researched.
+    validations:
+      required: true
+  - type: textarea
+    id: context
+    attributes:
+      label: Additional context
+      description: |
+        Is there anything else you can add about the proposal?
+        You might want to link to related issues here, if you haven't already.