Add devcontainer.json

.devcontainer/devcontainer.json

@@ -0,0 +1,13 @@
+{
+    "name": "exercism-raku",
+    "image": "mcr.microsoft.com/devcontainers/base:noble",
+    "features": {
+        "ghcr.io/guiyomh/features/just:0": {
+            "version": "latest"
+        },
+        "ghcr.io/devcontainers-extra/features/raku-asdf:1": {
+            "version": "latest"
+        }
+    },
+    "postCreateCommand": "just setup"
+}

README.md

@@ -15,10 +15,8 @@ Help us keep Exercism welcoming. Please read and abide by the
 
 Use the command `just setup` provided by the `justfile`.
 
-
 ## Adding and Updating Exercises
 
-
 Use the commands `just create-practice-exercise` and `just generate-practice-exercise` provided by the `justfile`.
 
 ## Running The Tests

justfile

@@ -1,6 +1,6 @@
 setup:
   bin/fetch-configlet
-  zef install --deps-only .
+  zef install --/test --deps-only .
 
 create-practice-exercise slug author diff='1':
   bin/configlet create --practice-exercise {{slug}} --author {{author}} --difficulty {{diff}}