Added CHANGELOG.md with versions history

CHANGELOG.md

@@ -1,24 +1,31 @@
-CHANGELOG
-=========
+# Zowe™ zDevOps Jenkins™ plugin Changelog
 
-| See [GitHub releases](https://github.com/zowe/zowe-zdevops-jenkins-plugin/releases) |
-| --- |
+All notable changes to the Zowe zDevOps Jenkins Plugin will be documented in this file.
 
-## 🚀 New features and improvements
+## 0.1.0 (2024-04-16)
 
-* Added Jenkins Freestyle Jobs implementation of declarative methods. List of available Freestyle Jobs templates:
-    + AllocateDataset in freestyle job
-    + WriteToDataset in freestyle job
-    + WriteToMember in freestyle job 
-    + WriteFileToMember in freestyle job 
-    + WriteFileToDataset via freestyle job
-* Created test coverage. Unit tests 30% instructions, 20% coverage
+### Breaking changes
 
-## ✍ Other changes
+* Breaking: Plugin redesigned for Maven, with additional features and improvements ([874bf32](https://github.com/jenkinsci/zdevops-plugin/commit/874bf32e78db200740a6507ee344eccbfaae5ddb))
 
-* Code refactor
-* Some changes for the Jenkins Infra automation deployment
+### Features
 
-## 📦 Dependency updates
+* Feature: Added the ability to add and save mainframe connection sessions using Jenkins Credential Manager
+* Feature: Added "submitJob" Jenkins pipeline declarative method
+* Feature: Added "submitJobSync" Jenkins pipeline declarative method
+* Feature: Added "downloadDS" Jenkins pipeline declarative method
+* Feature: Added "allocateDS" Jenkins pipeline declarative method
+* Feature: Added "writeFileToDS" Jenkins pipeline declarative method
+* Feature: Added "writeToDS" Jenkins pipeline declarative method
+* Feature: Added "writeFileToMember" Jenkins pipeline declarative method
+* Feature: Added "writeToMember" Jenkins pipeline declarative method
+* Feature: Added "writeToFile" Jenkins pipeline declarative method
+* Feature: Added "writeFileToFile" Jenkins pipeline declarative method
+* Feature: Added Jenkins Freestyle UI method for JCL submit, RC waiting and displaying log output
+* Feature: Added z/OSMF connection validation feature
+* Feature: Added the ability to view the JCL job execution log (link to it) from the "Console output" in the Jenkins web interface
 
-* Updated all dependencies, plugins and components to the latest versions on 11.07.2023
+### Bugfixes
+
+* Bugfix: Refactored packages and imports with io.jenkins.plugins  ([c73226f6](https://github.com/jenkinsci/zdevops-plugin/commit/bf51f0b9b6405f6f7e1001e51bce22ecfc1645bd)
+* Bugfix: Dependency fixes for later 0.1.0 release ([629da4b](https://github.com/jenkinsci/zdevops-plugin/commit/3d728f39917eff398f62c4351f49111bc3f3a000))