Update docs/ce/self-host/self-host-on-azure.mdx

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

Author: gecube

docs/ce/self-host/self-host-on-azure.mdx

@@ -32,13 +32,20 @@ digger:
     httpBasicAuthPassword: "abc123"
     bearerAuthToken: "salkfjadslkfj" # You should generate
     hostname: "<https://mo-digger-test.ngrok.app>"
-    GitHubOrg: "diggerhq" # replace with org for digger
-    GitHubAppID: ""
-    GitHubAppClientID: ""
-    GitHubAppClientSecret: ""
-    GitHubAppKeyFile: "" #base64 encoded file
-    GitHubWebhookSecret: ""
-
+    secret:
+      useExistingSecret: false
+      existingSecretName: ""
+
+      httpBasicAuthUsername: "admin"
+      httpBasicAuthPassword: "abc123"
+      bearerAuthToken: "salkfjadslkfj"
+      hostname: "<https://mo-digger-test.ngrok.app>"
+      githubOrg: "diggerhq"       # replace with org for digger
+      githubAppID: ""
+      githubAppClientID: ""
+      githubAppClientSecret: ""
+      githubAppKeyFile: ""        # base64 encoded file
+      githubWebhookSecret: ""
 postgres:
   enabled: true
   secret: