Update docs to better reflect the links to other languages

docs/index.md

@@ -17,9 +17,9 @@ Get lightweight and throwaway containers during your tests that let you test aga
     <a href="https://docs.rs/testcontainers/latest/testcontainers/" class="card-grid-item"><img src="language-logos/rust.svg"/>Rust</a>
 </div>
 
-## About
+## About Testcontainers for Java
 
-Testcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.
+*Testcontainers for Java* is a Java library that supports the usage in JUnit tests and other popular test frameworks.
 
 Testcontainers make the following kinds of tests easier:
 

mkdocs.yml

@@ -1,4 +1,4 @@
-site_name: Testcontainers
+site_name: Testcontainers for Java
 plugins:
     - search
     - codeinclude
@@ -104,7 +104,6 @@ nav:
           - supported_docker_environment/windows.md
           - supported_docker_environment/logging_config.md
           - supported_docker_environment/image_registry_rate_limiting.md
-    - Other Supported Languages: supported_languages.md
     - Getting help: getting_help.md
     - Contributing:
           - contributing.md