Add feature request template -> Main (#131)

Author: liudmylaru

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -0,0 +1,58 @@
+name: Feature Request
+description: Feature and enhancement proposals in oracle-ads library
+title: "[FR]: "
+labels: [Task, Backlog]
+assignees:
+  - octocat
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Before proceeding, please review the [Contributing to this repository](https://github.com/oracle/accelerated-data-science/blob/main/CONTRIBUTING.md) and the [Code of Conduct](https://github.com/oracle/.github/blob/main/CODE_OF_CONDUCT.md).
+        
+        ---
+        
+        Thank you for submitting a feature request.
+  - type: dropdown
+    id: contribution
+    attributes:
+      label: Willingness to contribute
+      description: Would you or another member of your organization be willing to contribute an implementation of this feature?
+      options:
+        - Yes. I can contribute this feature independently.
+        - Yes. I would be willing to contribute this feature with guidance from the oracle-ads team.
+        - No. I cannot contribute this feature at this time.
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Proposal Summary
+      description: |
+        In a few sentences, provide a clear, high-level description of the feature request
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Motivation
+      description: |
+        - What is the use case for this feature?
+        - Why is this use case valuable to support for OCI DataScience users in general?
+        - Why is this use case valuable to support for your project(s) or organization?
+        - Why is it currently difficult to achieve this use case?
+      value: |
+        > #### What is the use case for this feature?
+
+        > #### Why is this use case valuable to support for OCI DataScience users in general?
+
+        > #### Why is this use case valuable to support for your project(s) or organization?
+
+        > #### Why is it currently difficult to achieve this use case?
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Details
+      description: |
+        Use this section to include any additional information about the feature. If you have a proposal for how to implement this feature, please include it here. For implementation guidelines, please refer to the [Contributing to this repository](https://github.com/oracle/accelerated-data-science/blob/main/CONTRIBUTING.md).
+    validations:
+      required: false