chore(GitHub): add security policy and PR template

Author: xesdoog

.github/ISSUE_TEMPLATE/request.yml

@@ -1,4 +1,4 @@
-name: Feature request
+name: Feature Request
 description: Suggest a new idea
 title: "[REQUEST]: "
 labels: request

.github/pull_request_template.md

@@ -0,0 +1,25 @@
+# Security Policy
+
+## Supported Versions
+
+This repository is a **template** and does not have versioned releases.
+Security updates are not provided directly for this repository.
+Projects created from this template are responsible for maintaining their own security updates.
+
+## Reporting a Vulnerability
+
+If you discover a security issue related to this template, please:
+
+1. **Do not open a public issue.**
+   Instead, report it privately by opening a [GitHub security advisory](https://docs.github.com/en/code-security/security-advisories/repository-security-advisories/creating-a-repository-security-advisory).
+
+2. Provide as much detail as possible to help us reproduce and assess the problem.
+
+3. We will review the report and take appropriate action, which may include updating the template or documenting security considerations for downstream users.
+
+## Notes for Template Users
+
+If you used this repository as a base for your own project:
+
+- Make sure to configure and maintain dependencies securely.
+- Implement your own security policy appropriate for your project’s scope.