switch to devcontainer

.devcontainer.json

@@ -0,0 +1,18 @@
+{
+    "name": "Java",
+    "image": "mcr.microsoft.com/vscode/devcontainers/base:1-ubuntu-24.04",
+    "features": {
+	"ghcr.io/guiyomh/features/just:0": {},
+        "ghcr.io/devcontainers/features/java:1": {
+            "version": "24-open",
+            "installMaven": true
+        }
+    },
+    "customizations": {
+        "vscode": {
+            "extensions": [
+                "vscjava.vscode-java-pack"
+            ]
+        }
+    }
+}