chore: Create SECURITY.md (#160)

SECURITY.md

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+# Security Policy
+
+## Supported Versions
+
+Use this section to tell people about which versions of your project are
+currently being supported with security updates.
+
+| Version | Supported          |
+| ------- | ------------------ |
+| 5.1.x   | :white_check_mark: |
+| 5.0.x   | :x:                |
+| 4.0.x   | :white_check_mark: |
+| < 4.0   | :x:                |
+
+## Reporting a Vulnerability
+
+This follows contributing guidelines, as well as the follimg ones.
+1. Title the vunerablilty
+2. Describe the vunerablity in as much detail as possible
+3. Give steps on how to reproduce the vunerablilty
+4. Add media on the vunerablity, if possible