chore: use github registry

Author: adamlacombe

.npmrc

@@ -1,2 +1,2 @@
 package-lock=false
-registry=https://npm.interactive.training
+@interactivetraining:registry=https://npm.pkg.github.com/

package.json

@@ -36,6 +36,6 @@
   },
   "repository": {
     "type": "git",
-    "url": "git+https://github.com/InteractiveTraining/acme-client.git"
+    "url": "git://github.com/InteractiveTraining/acme-client.git"
   }
 }