Feature pnp#2683 : added support for containers

.devcontainer/devcontainer.json

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+// For format details, see https://aka.ms/devcontainer.json. For config options, see the
+// README at: https://github.com/devcontainers/templates/tree/main/src/dotnet
+{
+	"name": "PnP PowerShell container",
+	// Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
+	"image": "mcr.microsoft.com/devcontainers/dotnet:0-6.0",
+
+	// Features to add to the dev container. More info: https://containers.dev/features.
+	"features": {		
+		"ghcr.io/devcontainers/features/git:1": {
+			"ppa": true,
+			"version": "os-provided"
+		},
+		"ghcr.io/devcontainers/features/github-cli:1": {
+			"installDirectlyFromGitHubRelease": true,
+			"version": "latest"
+		},
+		"ghcr.io/devcontainers/features/powershell:1": {
+			"version": "latest"
+		}		
+	},
+	"workspaceFolder": "/workspaces/powershell",
+
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	// "forwardPorts": [5000, 5001],
+	// "portsAttributes": {
+	//		"5001": {
+	//			"protocol": "https"
+	//		}
+	// }
+
+	// Use 'postCreateCommand' to run commands after the container is created.
+	"postCreateCommand": "bash ./build/postCreateCommand.sh",
+
+	// Configure tool-specific properties.
+	// "customizations": {},
+	"customizations": {
+		"vscode": {
+			"settings": {
+				"terminal.integrated.defaultProfile.linux": "pwsh"
+			},
+			"extensions": [				
+				"ms-vscode.powershell",
+				"ms-dotnettools.csdevkit"
+			]
+		}
+	},
+	// Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
+	"remoteUser": "root"
+}

build/postCreateCommand.sh

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+dotnet tool update -g docfx
+
+ /usr/bin/pwsh -c 'Install-Module Microsoft.PowerShell.SecretStore,Microsoft.Powershell.SecretManagement,PlatyPS -Force'