Add git add command to README sync step

Author: ThomasJejkal

.github/workflows/real-npm-publish.yml

@@ -56,6 +56,7 @@ jobs:
           cp README.md packages/stencil-library
           git config --global user.email "webmaster@datamanager.kit.edu"
           git config --global user.name "GitHub Action"
+          git add -A
           git commit -am "Synced README"
       - name: Configure GitHub Packages scope
         run: echo "@$(echo '${{ github.repository }}' | cut -d '/' -f 1):registry=https://npm.pkg.github.com" >> .npmrc
@@ -86,6 +87,7 @@ jobs:
           cp README.md packages/stencil-library
           git config --global user.email "webmaster@datamanager.kit.edu"
           git config --global user.name "GitHub Action"
+          git add -A
           git commit -am "Synced README"
       - run: npx lerna publish from-package --yes
         env: