Update issue templates

.github/ISSUE_TEMPLATE/custom.md

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+---
+name: Custom issue template
+about: Describe this issue template's purpose here.
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+This is a friendly reminder that the code and website are provided for free. While we're happy to share this with the community, repeatedly requesting additional features without contributing may come across as unappreciative.
+
+Please remember that GitHub is a collaborative platform for code development. If you have feature suggestions, we encourage you to actively participate in the process by contributing code or engaging in constructive discussions.
+
+Thank you for your understanding and cooperation!