Add a devcontainer

Signed-off-by: Oliver Gould <[email protected]>

.devcontainer/devcontainer.json

@@ -0,0 +1,26 @@
+{
+    "name": "j52j",
+    "image": "ghcr.io/linkerd/dev:v30",
+    "extensions": [
+        "DavidAnson.vscode-markdownlint",
+        "kokakiwi.vscode-just",
+        "NathanRidley.autotrim",
+        "redhat.vscode-yaml",
+        "rust-lang.rust-analyzer",
+        "samverschueren.final-newline",
+        "tamasfe.even-better-toml"
+    ],
+    "runArgs": [
+        "--init",
+        // Limit container memory usage.
+        "--memory=12g",
+        "--memory-swap=12g",
+        // Use the host network so we can access k3d, etc.
+        "--net=host"
+    ],
+    "overrideCommand": false,
+    "remoteUser": "code",
+    "mounts": [
+        "source=/var/run/docker.sock,target=/var/run/docker-host.sock,type=bind"
+    ]
+}