add feature request and questions

Signed-off-by: habibayassin <[email protected]>

Author: habibayassin

.github/ISSUE_TEMPLATE/config.yml

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+blank_issues_enabled: false
+contact_links:
+  - name: OpenROAD Flow Scripts Discussions
+    url: https://github.com/The-OpenROAD-Project/OpenROAD-flow-scripts/discussions 
+    about: Please ask and answer questions here.

.github/ISSUE_TEMPLATE/feature_request.md

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+name: Feature Requests and Enhancements
+description: Have any ideas? Find any shortcomings? Feel free to share them.
+
+body:
+  - type: textarea
+    id: prompt
+    attributes:
+      label: Description
+      description: What do you think is missing from OpenROAD Flow Scripts? Be clear and concise.
+    validations:
+      required: true
+  - type: textarea
+    id: proposal
+    attributes:
+      label: Suggested Solution
+      description: Do you have any thoughts on how to address this?
+  - type: textarea
+    id: additional-context
+    attributes:
+      label: Additional Context
+      description: Add any other context about your proposal here.
+    validations:
+      required: false