Restore nested nav

Author: theletterf

config/navigation.yml

@@ -336,23 +336,23 @@ toc:
         children:
           - toc: elastic-agent://reference/edot-collector
             path_prefix: reference/opentelemetry/edot-collector
-          - toc: opentelemetry://reference/edot-sdks
+          - toc: opentelemetry://intros/edot-sdks
             path_prefix: reference/opentelemetry/edot-sdks
             children:
-              - toc: apm-agent-android://reference/edot-android
-                path_prefix: reference/opentelemetry/edot-sdks/android
-              - toc: elastic-otel-dotnet://reference/edot-dotnet
-                path_prefix: reference/opentelemetry/edot-sdks/dotnet
-              - toc: apm-agent-ios://reference/edot-ios
-                path_prefix: reference/opentelemetry/edot-sdks/ios
-              - toc: elastic-otel-java://reference/edot-java
+              - toc: elastic-otel-java://reference
                 path_prefix: reference/opentelemetry/edot-sdks/java
-              - toc: elastic-otel-node://reference/edot-node
+              - toc: elastic-otel-python://reference
+                path_prefix: reference/opentelemetry/edot-sdks/python
+              - toc: elastic-otel-node://reference
                 path_prefix: reference/opentelemetry/edot-sdks/node
-              - toc: elastic-otel-php://reference/opentelemetry/edot-php
+              - toc: elastic-otel-php://reference
                 path_prefix: reference/opentelemetry/edot-sdks/php
-              - toc: elastic-otel-python://reference/edot-python
-                path_prefix: reference/opentelemetry/edot-sdks/python
+              - toc: apm-agent-android://reference
+                path_prefix: reference/opentelemetry/edot-sdks/android
+              - toc: apm-agent-ios://reference
+                path_prefix: reference/opentelemetry/edot-sdks/ios
+              - toc: elastic-otel-dotnet://reference
+                path_prefix: reference/opentelemetry/edot-sdks/dotnet
 
       # Ingestion tools
       # https://github.com/elastic/docs-content/blob/main/reference/ingestion-tools/toc.yml