Added security in README.md (#1258)

Added security  in README.md

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Co-authored-by: weishu <[email protected]>

Author: y0geshx

Diff for: docs/README.md

@@ -42,6 +42,9 @@ To help translate KernelSU or improve existing translations, please use [Weblate
 
 - Telegram: [@KernelSU](https://t.me/KernelSU)
 
+## Security
+For information on reporting security vulnerabilities in KernelSU, see [SECURITY.md](/SECURITY.md).
+
 ## License
 
 - Files under the `kernel` directory are [GPL-2.0-only](https://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html)