Added feature request template

Author: VijayakumarMariappan

.github/ISSUE_TEMPLATE/bug.yml renamed to .github/ISSUE_TEMPLATE/1_bug_report.yml

@@ -0,0 +1,40 @@
+name: Feature request
+description: Propose a new idea.
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thank you for using Syncfusion widgets!
+
+        If you are looking for support, please check out our documentation, knowledge base, 
+        and feedbacks. If you are unable to find a solution, please report the bug here.
+
+          - [User Guide Documentation](https://help.syncfusion.com/flutter/introduction/overview)
+          - [Knowledge Base](https://support.syncfusion.com/kb/cross-platforms/category/79)
+          - [Feedbacks](https://stackoverflow.com/questions/tagged/flutter?sort=frequent)
+          
+        You can also contact us through the following methods.
+          - [Support portal](https://support.syncfusion.com)
+          - [Support forums](https://www.syncfusion.com/forums)
+          - [Feedback portal](https://www.syncfusion.com/feedback/flutter)
+  - type: textarea
+    attributes:
+      label: Use case
+      description: |
+        Kindly inform us of the issue you're encountering which has prompted you to suggest a new feature.
+        If your proposed feature is based on an existing problem, 
+        could you please provide a detailed and concise explanation of the issue?
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Proposal
+      description: |
+        Please provide a concise and precise description of your proposal.
+
+        Include a visual representation of your concept.
+         * code samples
+         * images (illustrations, diagrams, screenshots)
+         * videos
+    validations:
+      required: true