Dokken/fix publish (#27)

Try fixing publish dir

Author: jorgensd

.github/workflows/build_docs.yml

@@ -26,13 +26,16 @@ jobs:
         run: make doc
 
       - name: Copy Dockerfile into gh-pages
-        run: cp Dockerfile ${PUBLISH_DIR}
+        run: cp Dockerfile ${PUBLISH_DIR}/
 
       - name: Add coverage report to github pages
         run: |
           python -m pytest --cov=mypackage test 
           python -m coverage html
-          cp -r htmlcov ${PUBLISH_DIR} 
+          cp -r htmlcov ${PUBLISH_DIR}/
+
+      - name: Print publish dir
+        run: ls ${PUBLISH_DIR}
 
       - name: Deploy
         uses: peaceiris/actions-gh-pages@v3