Add customizations (#19)

.devcontainer/devcontainer.json

@@ -12,6 +12,10 @@
 	},
 	"runArgs": [ "--cap-add=SYS_PTRACE", "--security-opt", "seccomp=unconfined" ],
 		
+	// Configure tool-specific properties.
+	"customizations": {
+		// Configure properties specific to VS Code.
+		"vscode": {
 			// Set *default* container specific settings.json values on container create.
 			"settings": { 
 				"lldb.executable": "/usr/bin/lldb",
@@ -29,7 +33,9 @@
 				"matklad.rust-analyzer",
 				"tamasfe.even-better-toml",
 				"serayuzgur.crates"
-	],
+			]
+		}
+	},
 
 	// Use 'forwardPorts' to make a list of ports inside the container available locally.
 	// "forwardPorts": [],