Update README and github template (#186)

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -0,0 +1,46 @@
+name: Feature request
+description: Propose a feature request for infinity.
+title: "[Feature Request]: "
+labels: [feature request]
+body:
+  - type: checkboxes
+    attributes:
+      label: Is there an existing issue for the same feature request?
+      description: Please check if an issue already exists for the feature you request.
+      options:
+        - label: I have checked the existing issues.
+          required: true
+  - type: textarea
+    attributes:
+      label: Is your feature request related to a problem?
+      description: |
+        A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+      render: Markdown
+    validations:
+      required: false
+  - type: textarea
+    attributes:
+      label: Describe the feature you'd like
+      description: A clear and concise description of what you want to happen.
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Describe implementation you've considered
+      description: A clear and concise description of implementation you've considered or investigated.
+    validations:
+      required: false
+  - type: textarea
+    attributes:
+      label: Documentation, adoption, use case
+      description: If you can, explain some scenarios how users might use this, situations it would be helpful in. Any API designs, mockups, or diagrams are also helpful.
+      render: Markdown
+    validations:
+      required: false
+  - type: textarea
+    attributes:
+      label: Additional information
+      description: |
+        Add any other context or screenshots about the feature request here.
+    validations:
+      required: false