Fix formatting of GitHub AppId in README

Author: hajekj

README.md

@@ -63,7 +63,7 @@ The application secrets can be also passed in as [environment variables](https:/
     "ClientSecret": "<github_oauth_client_secret>"
   },
   "GitHubProvisioning": {
-    "AppId": <github_app_id>,
+    "AppId": "<github_app_id>",
     "ClientId": "<github_app_client_id>",
     "PrivateKey": "<base64_encoded_private_key>"
   },
@@ -76,4 +76,4 @@ The application secrets can be also passed in as [environment variables](https:/
 
 ### GitHub Teams Configuration
 
-Simply [create a team](https://docs.github.com/en/organizations/organizing-members-into-teams/creating-a-team) in your GitHub organization and fill the description field with your desired description and append `Entra: <entra_group_id>` to the end of the description. This will tell the tool to synchronize membership of the team with the specified group.
+Simply [create a team](https://docs.github.com/en/organizations/organizing-members-into-teams/creating-a-team) in your GitHub organization and fill the description field with your desired description and append `Entra: <entra_group_id>` to the end of the description. This will tell the tool to synchronize membership of the team with the specified group.