Try adding Doctum GH action

.github/workflows/ci.yml

@@ -120,3 +120,17 @@ jobs:
         run: composer install
       - name: Run phpstan
         run: vendor/bin/phpstan analyse --xdebug
+
+  doctum:
+    name: Generate API docs (Doctum)
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: build doctum docs
+        uses: sudo-bot/action-doctum@latest
+        with:
+            config-file: doctum.php
+            # parse, render or update
+            method: "update"
+            # (optional) defaults to '--output-format=github --no-ansi --no-progress -v'
+            cli-args: "--output-format=github --force --ignore-parse-errors --no-ansi --no-progress -v"