Create CONTRIBUTING.md (#23)

Author: aeiwz

CONTRIBUTING.md

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+# Contribution Guidelines
+
+  ## Scope
+
+  Submissions should present original, significant, and methodologically rigorous research relevant to the journal’s scope.
+
+  ## Requirements
+
+  Contributions must:
+
+  - Clearly identify the research problem and objectives.
+  - Explain the study’s originality and significance.
+  - Use appropriate and reproducible methods.
+  - Support conclusions with sufficient evidence.
+  - Discuss limitations and practical implications.
+  - Follow applicable ethical and reporting standards.
+  - Cite relevant literature accurately.
+  - Be written clearly and professionally.
+
+  ## Author Contributions
+
+  Describe each author’s role using the CRediT taxonomy:
+
+  - Conceptualization
+  - Methodology
+  - Software
+  - Validation
+  - Formal analysis
+  - Investigation
+  - Data curation
+  - Writing – original draft
+  - Writing – review and editing
+  - Visualization
+  - Supervision
+  - Project administration
+  - Funding acquisition
+
+  ## Research Integrity
+
+  Authors must disclose:
+
+  - Conflicts of interest
+  - Funding sources
+  - Ethics approval and informed consent
+  - Data and code availability
+  - Use of generative AI
+  - Previous publication or simultaneous submission
+
+  ## Submission Checklist
+
+  Before submission, confirm that:
+
+  - [ ] The manuscript is original.
+  - [ ] All authors approved the submission.
+  - [ ] The journal’s formatting requirements are followed.
+  - [ ] Figures and tables are properly labeled.
+  - [ ] References are complete and consistent.
+  - [ ] Ethical approvals are documented.
+  - [ ] Data and code availability statements are included.
+  - [ ] Conflicts of interest and funding are disclosed.