chore: Automatic CHANGELOG generation.

.drone.yml

@@ -42,12 +42,18 @@ type: docker
 name: Publish
 
 steps:
-  - name: createTag
+  - name: createTagAndChangelog
     image: ubuntu:latest
     commands:
       - apt-get update && apt-get install -y git
+      - VER=$(git describe --tags --abbrev=0)
+      - CHANGELOG=$(git log $VER..HEAD --pretty="- %s")
+      - echo "**$VER**\n\n$CHANGELOG\n\n--------------------------------------------------------------------\n\n$(cat CHANGELOG.md)" > CHANGELOG.md
+      - git add CHANGELOG.md
+      - git commit -m "Changelog for $VER"
       - ./build.sh --publish --from-ci
       - git remote add pushing https://$GITEA_USR:$GITEA_PASS@gitea.amine-louveau.fr/Louvorg/ReaderForSelfoss-multiplatform.git
+      - git push pushing master
       - git push pushing --tags
     environment:
       TZ: Europe/Paris