feat: add devcontainer

Adding a devcontainer that can be used to give a reproducible
environment. This has been tested with the e2e tests.

Signed-off-by: Richard Case <[email protected]>

.devcontainer/devcontainer.json

@@ -0,0 +1,34 @@
+// For format details, see https://aka.ms/devcontainer.json. For config options, see the
+// README at: https://github.com/devcontainers/templates/tree/main/src/go
+{
+	"name": "Go",
+	// Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
+	"image": "mcr.microsoft.com/devcontainers/go:1-1.22-bookworm",
+	// Features to add to the dev container. More info: https://containers.dev/features.
+	"features": {
+		"ghcr.io/devcontainers/features/docker-in-docker:2": {},
+		"ghcr.io/devcontainers-contrib/features/kind:1": {},
+		"ghcr.io/rio/features/k9s:1": {},
+		"ghcr.io/devcontainers/features/kubectl-helm-minikube:1": {
+			"version": "latest",
+			"helm": "latest",
+			"minikube": "none"
+		}
+	},
+	// Configure tool-specific properties.
+	"customizations": {
+		"vscode": {
+			"extensions": [
+				"ms-vscode.makefile-tools",
+				"mutantdino.resourcemonitor",
+				"golang.go"
+			]
+		}
+	}
+	// 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": "go version",
+	// Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
+	// "remoteUser": "root"
+}