create basic dev container

.devcontainer/Dockerfile

@@ -0,0 +1,24 @@
+# Use the official Microsoft .NET image.
+FROM mcr.microsoft.com/dotnet/sdk:8.0
+
+# Set the working directory inside the container to /workspace.
+WORKDIR /workspace
+
+# Install system dependencies required for your project here.
+# Update the package lists and install ssh and procps (which provides ps).
+RUN apt-get update && apt-get install -y \
+    ssh \
+    procps \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy the solution file
+COPY MasterCommander.sln .
+
+# Copy the entire src directory and restore as distinct layers
+COPY src/ ./src/
+RUN for file in $(ls src/**/*.csproj); do dotnet restore $file; done
+
+# Optionally, copy other directories if needed, e.g., for tests or additional source files.
+
+# Set the working directory to where most of the work will be done
+WORKDIR /workspace/src

.devcontainer/devcontainer.json

@@ -0,0 +1,19 @@
+{
+    "name": "MasterCommander Dev Container",
+    "build": {
+        "context": "..",
+        "dockerfile": ".devcontainer/Dockerfile"
+    },
+    "settings": {
+        "terminal.integrated.defaultProfile.linux": "bash"
+    },
+    "extensions": [
+        "ms-dotnettools.csharp"
+        // Add other extensions relevant to your project here
+    ],
+    "forwardPorts": [
+        // Add any ports your application uses
+    ],
+    "postCreateCommand": "dotnet restore",
+    "remoteUser": "root"
+}

README.md

@@ -16,6 +16,7 @@ Write code, not commands. MasterCommander provides a simple, consistent interfac
 [![GitHub contributors](https://img.shields.io/github/contributors/phmatray/MasterCommander)](https://github.com/phmatray/MasterCommander/graphs/contributors)
 [![GitHub last commit](https://img.shields.io/github/last-commit/phmatray/MasterCommander)](https://github.com/phmatray/MasterCommander/commits/master)
 
+[![Open in Dev Containers](https://img.shields.io/static/v1?label=Dev%20Containers&message=Open&color=blue&logo=visualstudiocode)](https://vscode.dev/redirect?url=vscode://ms-vscode-remote.remote-containers/cloneInVolume?url=https://github.com/phmatray/MasterCommander)
 [![Codacy Badge](https://app.codacy.com/project/badge/Grade/bdd7b46c04534d8e958fda9dce1b0366)](https://app.codacy.com/gh/phmatray/MasterCommander/dashboard)
 [![codecov](https://codecov.io/gh/phmatray/MasterCommander/branch/main/graph/badge.svg?token=041C4QKW6O)](https://app.codecov.io/gh/phmatray/MasterCommander/tree/main)