Add a basic devcontainer config

.devcontainer/devcontainer.json

@@ -0,0 +1,18 @@
+{
+    "image": "ghcr.io/msys2/msys2-docker-devcontainer",
+    "customizations": {
+        "vscode": {
+            "settings": {
+                "terminal.integrated.defaultProfile.linux": "MSYS2-MSYS",
+                "terminal.integrated.profiles.linux": {
+                    "MSYS2-MSYS": {
+                        "path": "msys2",
+                        "env": {
+                            "MSYSTEM": "MSYS"
+                        }
+                    }
+                }
+            }
+        }
+    }
+}