Update versions in README (#6)

README.md

@@ -6,17 +6,22 @@ It includes support for running Framework data loaders with the following langua
 
 - Node 20
 - Python 3.11
-- R 4.3
-- duckdb 0.10.1
-- Rust 1.77
+- R 4.4
+- duckdb 1.0
+- Rust 1.81
+- Perl 5.36
 
 ## Usage
 
-This will be published on a public repository soon. In the mean time, please use the local development instructions below.
+The image built from this repository is published on the GitHub container registry.
+
+```
+docker run -it ghcr.io/observablehq/framework-runtime
+```
 
 ## Local development
 
-From this repository, run
+To build and test the images locally, from this repository, run
 
 ```
 yarn install
@@ -32,3 +37,9 @@ docker run -it observablehq/framework-runtime:latest bash
 ```
 
 This will launch a shell in the runtime environment. From here you should be able to clone repositories, use `npm init @observablehq`, and otherwise interact with Framework projects. Not that after exiting the shell any files you worked with will be lost. Consider using [Docker Volumes](https://docs.docker.com/storage/volumes/) if you want a persistent environment.
+
+There are automated tests that ensure that various commands and tools are available, and of the expected versions. To run those, use 
+
+```
+yarn test
+```