Added Change log plugin (#124)

* Added changelog workspace

* Added changelog plugin code repliace script

* Added Backstage app for changelog development

* Added copy of the changelog plugin

* Added documentation resources

* Updated plugin integration in dev app

* Applied prettier

* Use relative link to examples

* Fixed api report

* Removed support for old backend

* Updated tsconfig

* Fixed express router handling

* Added api report

* Added changeset

* Fixed typos

* Normalized annotation condition name

* Applied Prettier

* Added repository references

---------

Co-authored-by: Florian JUDITH <[email protected]>

hack/vendors/changelog.sh

@@ -0,0 +1,56 @@
+#!/usr/bin/env bash
+set -eEuo pipefail
+
+VERSION="main"
+
+function sync() {
+    mkdir -p .tmp/backstage-changelog-plugin/${VERSION}
+
+    curl -fsSL https://github.com/RSC-Labs/backstage-changelog-plugin/archive/refs/heads/${VERSION}.tar.gz |
+        tar -xvzf - \
+            --strip-components=1 \
+            --directory=.tmp/backstage-changelog-plugin/${VERSION} \
+            backstage-changelog-plugin-${VERSION/"/"/"-"}
+
+    # bulletin board
+    rsync -av \
+        .tmp/backstage-changelog-plugin/${VERSION/"/"/"-"}/plugins/backstage-changelog-plugin-backend/* \
+        ./workspaces/changelog/plugins/changelog-backend
+    rsync -av \
+        .tmp/backstage-changelog-plugin/${VERSION/"/"/"-"}/plugins/backstage-changelog-plugin/* \
+        ./workspaces/changelog/plugins/changelog
+    rsync -av \
+        .tmp/backstage-changelog-plugin/${VERSION/"/"/"-"}/examples/* \
+        ./workspaces/changelog/examples
+    rsync -av \
+        .tmp/backstage-changelog-plugin/${VERSION/"/"/"-"}/docs/* \
+        ./workspaces/changelog/docs
+    rsync -av \
+        .tmp/backstage-changelog-plugin/${VERSION/"/"/"-"}/plugins/README.md \
+        ./workspaces/changelog/README.md
+}
+
+function rename() {
+    changes=(
+        "s#@rsc-labs/backstage-changelog-plugin-backend#@alithya-oss/backstage-plugin-changelog-backend#g"
+        "s#@rsc-labs/backstage-changelog-plugin#@alithya-oss/backstage-plugin-changelog#g"
+    )
+
+    for item in "${changes[@]}"; do
+    find -type f \
+        -not -name "install-state.gz" \
+        -not -name "yarn.lock" \
+        -not -name "CHANGELOG.md" \
+        -not -path "**/.yarn*" \
+        -not -path "**/.changeset" \
+        -not -path "**/node_modules*" \
+        -not -path "**/dist*" \
+        -exec sed -i ${item} {} +
+    done
+}
+
+sync
+cd ./workspaces/changelog/
+rename
+yarn install
+yarn backstage-cli versions:bump --release 1.35.0