Add dev container config

.devcontainer/Dockerfile

@@ -0,0 +1,6 @@
+# See here for image contents: https://github.com/microsoft/vscode-dev-containers/tree/v0.148.1/containers/rust/.devcontainer/base.Dockerfile
+
+FROM mcr.microsoft.com/vscode/devcontainers/rust:0-1
+
+RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
+     && apt-get -y install --no-install-recommends asciidoctor

.devcontainer/devcontainer.json

@@ -0,0 +1,35 @@
+{
+	"name": "Rust",
+	"build": {
+		"dockerfile": "Dockerfile"
+	},
+	"runArgs": [ "--cap-add=SYS_PTRACE", "--security-opt", "seccomp=unconfined" ],
+
+	// Set *default* container specific settings.json values on container create.
+	"settings": { 
+		"terminal.integrated.shell.linux": "/bin/bash",
+		"lldb.executable": "/usr/bin/lldb",
+		// VS Code don't watch files under ./target
+		"files.watcherExclude": {
+			"**/target/**": true
+		}
+	},
+
+	// Add the IDs of extensions you want installed when the container is created.
+	"extensions": [
+		"rust-lang.rust",
+		"bungcip.better-toml",
+		"vadimcn.vscode-lldb",
+		"mutantdino.resourcemonitor",
+		"asciidoctor.asciidoctor-vscode"
+	],
+
+	// 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": "rustc --version",
+
+	// Comment out connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
+	"remoteUser": "vscode"
+}