Add Docs authoring codespace

.devcontainer/docs-editing/Dockerfile

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+FROM mcr.microsoft.com/vscode/devcontainers/base:0-bullseye
+
+# [Optional] Uncomment this section to install additional packages.
+# RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
+#     && apt-get -y install --no-install-recommends <your-package-list-here>

.devcontainer/docs-editing/devcontainer.json

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+{
+	"name": "Documentation editing",
+	"dockerFile": "Dockerfile",
+
+	// Configure tool-specific properties.
+	"customizations": {
+		// Configure properties specific to VS Code.
+		"vscode": {			
+			// Add the IDs of extensions you want installed when the container is created.
+			"extensions": [
+				"yzhang.markdown-all-in-one",
+				"streetsidesoftware.code-spell-checker",
+        "docsmsft.docs-authoring-pack"
+			]
+		}
+	},
+
+	// 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",
+
+	// Comment out to connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
+	"remoteUser": "vscode"
+}