add support for devcontainers and direct run

.devcontainer/devcontainer.json

@@ -0,0 +1,43 @@
+// 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/hugo
+{
+	"name": "Hugo (Community)",
+	"build": {
+		"dockerfile": "Dockerfile",
+		"args": {
+			// Update VARIANT to pick hugo variant.
+			// Example variants: hugo, hugo_extended
+			// Rebuild the container if it already exists to update.
+			"VARIANT": "hugo_extended",
+			// Update VERSION to pick a specific hugo version.
+			// Example versions: latest, 0.73.0, 0,71.1
+			// Rebuild the container if it already exists to update.
+			"VERSION": "latest",
+			// Update NODE_VERSION to pick the Node.js version: 12, 14
+			"NODE_VERSION": "14",
+		}
+	},
+	// Set *default* container specific settings.json values on container create.
+	"settings": {
+		"html.format.templating": true,
+	},
+	// Add the IDs of extensions you want installed when the container is created.
+	"extensions": [
+		"bungcip.better-toml",
+		"davidanson.vscode-markdownlint",
+		"GitHub.vscode-pull-request-github",
+		"gitkraken.gitkraken-authentication",
+		"eamodio.gitlens"
+	],
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	"forwardPorts": [
+		1313
+	],
+	// Use 'postCreateCommand' to run commands after the container is created.
+	"postCreateCommand": "git submodule update --init --recursive",
+	// Comment out to connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
+	"remoteUser": "node",
+	"features": {
+		"git": "os-provided"
+	}
+}