Update issue templates

.github/ISSUE_TEMPLATE/-en--feature-request.md

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+---
+name: "[EN] Feature request"
+about: Suggest an idea for the API
+title: "[EN][FEAT]"
+labels: enhancement
+assignees: ''
+
+---
+
+### Title: [Brief Description of Feature Request]
+
+#### Detailed Description:
+Clearly and in detail, describe the functionality you wish to be implemented. Explain how this fits into the context of the project.
+
+#### Rationale:
+Explain why this functionality would be useful for the project. This helps in understanding the importance and priority of the request.
+
+#### Usage Examples:
+Provide specific examples of how this feature could be used. This can include scenarios or use cases where the feature would be particularly beneficial.
+
+#### Possible Implementations:
+If you have ideas on how this feature might be implemented, please share them here. This is not mandatory but can be helpful for the development team.
+
+#### Impact on the Project:
+Discuss how this new feature could impact other parts of the project, if applicable.
+
+#### Additional Notes:
+Any other information you believe is relevant to your request.