test the registry

Author: euanh

.github/workflows/pull_request.yml

@@ -27,6 +27,10 @@ jobs:
               run: |
                   curl -v localhost:5000/v2/
 
+            - name: Push somethingtry
+              run: |
+                  swift run containertool --repository localhost:5000/vapor Package.swift
+
             - name: Run the example
               run: |
                   docker run -d -p 8080:8080 localhost:5000/vapor