feat: Add .devcontainer for codespaces (#360)

.devcontainer/devcontainer.json

@@ -0,0 +1,47 @@
+// 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": "C# (.NET)",
+	// Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
+	"image": "mcr.microsoft.com/devcontainers/dotnet:1-8.0-bookworm",
+	"features": {
+        "ghcr.io/devcontainers/features/docker-in-docker:2": {},
+        "ghcr.io/devcontainers/features/github-cli:1": {
+            "version": "2"
+        },
+		"ghcr.io/devcontainers/features/powershell:1": {
+            "version": "latest"
+        },
+        "ghcr.io/azure/azure-dev/azd:0": {
+            "version": "latest"
+        },
+        "ghcr.io/devcontainers/features/common-utils:2": {},
+        "ghcr.io/devcontainers/features/dotnet:2": {
+            "version": "8.0",
+            "dotnetRuntimeVersions": "8.0",
+            "aspNetCoreRuntimeVersions": "8.0"
+        },
+	"ghcr.io/devcontainers/features/node:1.3.1": {
+            "version": "20"
+        }
+    },
+	"postCreateCommand": "dotnet restore && cd ./src && cd coalesce-vue && npm ci && cd ../coalesce-vue-vuetify2 && npm ci && cd ../coalesce-vue-vuetify3 && npm ci",
+
+	"customizations": {
+        "vscode": {
+            "extensions": [
+                "ms-vscode.vscode-node-azure-pack",
+                "GitHub.vscode-github-actions",
+                "ms-dotnettools.vscode-dotnet-runtime",
+                "ms-dotnettools.csdevkit",
+                "ms-dotnetools.csharp",
+                "streetsidesoftware.code-spell-checker",
+                "dbaeumer.vscode-eslint",
+                "vue.volar",
+                "vue.vscode-typescript-vue-plugin",
+                "esbenp.prettier-vscode",
+                "antfu.goto-alias"
+            ]
+        }
+    }
+}