Updated info that AZURE_CREDENTIALS is json an not only the secret

secrets/gh-repo-azure-credentials.txt

@@ -18,5 +18,14 @@ and press the Display name of the application (it opens a new page)
 6. Create a **New client secret**
 7. Give a **Description** and select **Expires**
 
+The azure creds is json like this:
+{
+    "clientSecret":  "******",
+    "subscriptionId":  "96c*****-****-****-****-*********632",
+    "tenantId":  "e52*****-****-****-****-*********771",
+    "clientId":  "262*****-****-****-****-*********970"
+}
+
 Go to https://github.com/kosli-dev/cli/settings/secrets/actions
 under <Repository secrets>
+Copy and paste in the complete json