Create SECURITY.md

SECURITY.md

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+# Security Policy
+
+## Supported Versions
+
+| Version | Supported          |
+| ------- | ------------------ |
+| 1.0.x   | :white_check_mark: |
+| < 1.0   | :x:                |
+
+## Reporting a Vulnerability
+
+If you believe you have found a security vulnerability in the Weather-app, we encourage you to let us know right away. We will investigate all legitimate reports and do our best to quickly fix the problem.
+
+Before reporting though, please review our existing issues and pull requests to see if the problem has already been reported.
+
+If you don't find an existing issue, please open a [new issue](https://github.com/GZ30eee/weather-app/issues/new).
+
+If you're not comfortable providing your report publicly, you can email us directly at ghza3006@gmail.com
+
+We appreciate your efforts to responsibly disclose your findings, and will make every effort to acknowledge your contributions.