Added test environment

.devcontainer/Dockerfile

@@ -0,0 +1,6 @@
+FROM node:16-alpine
+
+# Git setup
+ENV GIT_DISCOVERY_ACROSS_FILESYSTEM=1
+RUN apk update && \
+    apk add git

.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/microsoft/vscode-dev-containers/tree/v0.217.4/containers/alpine
+{
+	"name": "E01-HTML",
+	"build": {
+		"dockerfile": "Dockerfile",
+		"args": {
+			"--name": "DAW-E01-HTML"
+		}
+	},
+
+	"remoteEnv": {
+		"FILES_PATH": "${containerWorkspaceFolder}"
+	},
+
+	// Set *default* container specific settings.json values on container create. 
+	"settings": {},
+
+	// Add the IDs of extensions you want installed when the container is created.
+	// Note that some extensions may not work in Alpine Linux. See https://aka.ms/vscode-remote/linux.
+	"extensions": [],
+
+	// 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",
+
+	// Replace when using a ptrace-based debugger like C++, Go, and Rust
+	// "runArgs": [ "--init", "--cap-add=SYS_PTRACE", "--security-opt", "seccomp=unconfined" ],
+
+	// Comment out to connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
+	"remoteUser": "node"
+}