Changed how CHANGELOG.md is generated. [#291]

Switched over to using charmixer/auto-changelog-action

.github/workflows/create-release.yml

@@ -16,13 +16,20 @@ jobs:
           java-version: 1.8
       - name: Checkout code
         uses: actions/checkout@master
+      - name: Generate CHANGELOG.md
+        uses: charmixer/auto-changelog-action@v1
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          release_branch: ${{ github.ref }}
+          since_tag: v0.5.2-2
       - name: Build project
         run: mvn package -Pci -DskipTests -Dassembly-name=RELEASE
-      - name: Generate release
-        uses: "marvinpinto/action-automatic-releases@latest"
+      - name: Upload release artifact
+        uses: softprops/action-gh-release@v1
+        if: startsWith(github.ref, 'refs/tags/')
         with:
-          repo_token: "${{ secrets.GITHUB_TOKEN }}"
-          prerelease: false
+          body_path: CHANGELOG.md
           files: |
-            changelog
             comixed-app/target/artifacts/comixed-app-0.6.0-0.rc1-RELEASE.zip
+        env:
+            GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

CHANGELOG.md

@@ -0,0 +1,7 @@
+# Changelog
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]

CONTRIBUTING.md

@@ -18,6 +18,18 @@ where **xxx** is the issue being addressed.
 Using this template, your changes are then visible on the ticket's page. This lets everybody know
 what changes were made for any issue.
 
+### How To Describe The Change
+
+See [Keep A Changelog](https://keepachangelog.com/en/1.0.0/) for a description for how to make a good changelog entry.
+Each commit's summary should start with one of the following verbs:
+
+ * **Added** for a new feature,
+ * **Changed** for changes to existing functionality,
+ * **Deprecated** for soon-to-be removed features,
+ * **Removed** for now removed features,
+ * **Fixed** for any bug fixes, or
+ * **Security** in cases of vulnerabilities.
+
 ## Coding Conventions And Formatting
 
 ### Java