Update changelogs history

Author: zeroc0d3

CHANGELOG.md

@@ -14,6 +14,7 @@
   - Bitbucket (`.bitbucket`)
   - GitHub (`.github`)
   - GitLab (`.gitlab`)
+  - Jenkins (`.jenkins`) CI/CD with Spinnaker CD
 - Refactoring build, tag, push & pull script for DockerHub
 - Refactoring build, tag, push & pull script for ECR
 - Refactoring `makefile` script automation for build, tag, push & pull