Docs: add aliases and tweak heading title (#3765)

website_docs/_index.md

@@ -1,14 +1,15 @@
 ---
 title: Java
-weight: 18
 description: >-
   <img width="35" src="https://raw.github.com/open-telemetry/opentelemetry.io/main/iconography/32x32/Java_SDK.svg"></img>
   A language-specific implementation of OpenTelemetry in Java.
+aliases: [/java, /java/metrics, /java/tracing]
 cascade:
   github_repo: &repo https://github.com/open-telemetry/opentelemetry-java
   github_subdir: website_docs
   path_base_for_github_subdir: content/en/docs/java/
   github_project_repo: *repo
+weight: 18
 ---
 
 OpenTelemetry Java consists of the following repositories:
@@ -25,7 +26,7 @@ OpenTelemetry Java consists of the following repositories:
   don't fit the express scope of the OpenTelemetry Java or Java Instrumentation
   projects. For example, JMX metric gathering.
 
-## opentelemetry-java
+## Status and Releases
 
 | Traces | Metrics | Logs         |
 | ------ | ------- | ------------ |