update devcontainer

.devcontainer/server/devcontainer.json

@@ -7,11 +7,16 @@
     },
     "ghcr.io/devcontainers/features/git:1": {}
   },
+  "containerEnv": {
+    "GIT_REPO_URL": "https://scm.vilanet.fr/kriss/slot"
+  },
   "customizations": {
     "jetbrains": {
       "backend": "IntelliJ"
     }
   },
   "forwardPorts": [8080],
-  "workspaceFolder": "/workspace"
+  "workspaceFolder": "/workspace",
+  "//": "workspaceMount: source=jb_devcontainer_sources_f31d2e11122d7a0f1e78fb3337cc2916,target=/workspace,type=volume",
+  "//": "postCreateCommand: if [ ! -d .git ]; then git clone $GIT_REPO_URL .; fi"
 }