Add release workflow

.gitea/workflows/release.yml

@@ -15,10 +15,14 @@ jobs:
     
     steps:
       - name: Notwendige Abhängigkeiten installieren
+        shell: sh
         run: |
           apk add --no-cache git zip curl jq rsync bash
           git config --global http.sslVerify false
 
+      - name: Repository auschecken
+        uses: actions/checkout@v3
+
       - name: Debug Info
         run: |
           echo "Tag: $GITEA_REF_NAME"