Merge pull request #305 from plural/add-posgresql-client-to-devcontainer

Add postgresql-client tooling to devcontainer.

Author: plural

.devcontainer/devcontainer.json

@@ -8,7 +8,7 @@
     // Features to add to the dev container. More info: https://containers.dev/features.
     "features": {
         "ghcr.io/rocker-org/devcontainer-features/apt-packages:1": {
-            "packages": "libpq-dev, libvips" // For pg gem
+            "packages": "libpq-dev, libvips, postgresql-client" // For postgres tooling
         },
         "ghcr.io/devcontainers/features/git:1": {
             "version": "latest"