feat: add devcontainer

This adds a devcontainer to the prject. It assumes that you have also
clone cluster api in the relative location.

Signed-off-by: Richard Case <richard.case@suse.com>

.devcontainer/devcontainer.json

@@ -0,0 +1,50 @@
+// For format details, see https://aka.ms/devcontainer.json. For config options, see the
+// README at: https://github.com/devcontainers/templates/tree/main/src/ubuntu
+{
+    "name": "Ubuntu",
+    // Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
+    "image": "mcr.microsoft.com/devcontainers/base:jammy",
+    // Features to add to the dev container. More info: https://containers.dev/features.
+    "features": {
+        "ghcr.io/devcontainers/features/go:1": {
+            "version": "1.20"
+        },
+        "ghcr.io/devcontainers/features/docker-in-docker:2": {},
+        "ghcr.io/mpriscella/features/kind:1": {},
+        "ghcr.io/devcontainers/features/kubectl-helm-minikube:1": {
+            "version": "latest",
+            "helm": "latest",
+            "minikube": "none"
+        },
+        "ghcr.io/lentzi90/features/tilt:0": {}
+    },
+    // Use 'forwardPorts' to make a list of ports inside the container available locally.
+    // "forwardPorts": [],
+    // Use 'postCreateCommand' to run commands after the container is created.
+    // "postCreateCommand": "uname -a",
+    // Configure tool-specific properties.
+    "customizations": {
+        "vscode": {
+            "extensions": [
+                "ms-vscode.makefile-tools",
+                "mutantdino.resourcemonitor",
+                "golang.go"
+            ],
+            "settings": {
+                "gopls.formatting.gofumpt": true,
+                "go.lintTool": "golangci-lint",
+                "go.buildTags": "e2e",
+                "go.toolsManagement.autoUpdate": true
+            }
+        }
+    },
+    // Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
+    // "remoteUser": "root"
+    "mounts": [
+        {
+            "source": "${localWorkspaceFolder}/../../../sigs.k8s.io/cluster-api",
+            "target": "/workspaces/cluster-api",
+            "type": "bind"
+        }
+    ]
+}