Added recommended VS Code extensions

.vscode/extensions.json

@@ -0,0 +1,14 @@
+{
+	// See https://go.microsoft.com/fwlink/?LinkId=827846 to learn about workspace recommendations.
+	// Extension identifier format: ${publisher}.${name}. Example: vscode.csharp
+
+	// List of extensions which should be recommended for users of this workspace.
+	"recommendations": [
+		"ms-dotnettools.vscodeintellicode-csharp",
+		"streetsidesoftware.code-spell-checker",
+		"ms-azuretools.vscode-docker",
+		"shardulm94.trailing-spaces",
+		"redhat.vscode-yaml",
+		"github.vscode-github-actions"
+	]
+}