Add changelog, ability to copy plugin changelog and readme files into plugin data dir before zipping

CHANGELOG.md

@@ -0,0 +1,19 @@
+# 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]
+
+## [1.0.0] - 2020-04-16
+### Added
+- This changelog
+- If README.md is present in the root directory of the plugin, it will be copied into the plugin's data directory before create the kpz file
+- The same as above, but for CHANGELOG.md as well
+
+### Changed
+- Nothing
+
+### Removed
+- Nothing

entrypoint.sh

@@ -34,6 +34,16 @@ if [ -f "$META_YML" ]; then
     cat $META_YML
 fi
 
+PLUGIN_DIR=${PLUGIN_MODULE::-3}
+
+if [ -f "CHANGELOG.md" ]; then
+    cp CHANGELOG.md "$PLUGIN_DIR/CHANGELOG.md"
+fi
+
+if [ -f "README.md" ]; then
+    cp README.md "$PLUGIN_DIR/README.md"
+fi
+
 zip -r ../${RELEASE_FILENAME} ./Koha
 cp ${META_YML} .. # Copy munged META.yml to the root directory
 cd ..