Convert JSON file indents to tabs

Be consistent with the usage of tabs as indents in all JSON files in the
project.  This makes it easier to configure editors to emit the right
indents when manually editing these files.

packages/controller/controller.ts

@@ -164,7 +164,7 @@ async function handleBootstrapCommand(
 			userManager.signUserToken(admin.name),
 		);
 
-		let content = JSON.stringify(controlConfig.serialize(), null, 4);
+		let content = JSON.stringify(controlConfig.serialize(), null, "\t");
 		if (args.output === "-") {
 			// eslint-disable-next-line no-console
 			console.log(content);
@@ -343,7 +343,7 @@ async function initialize(): Promise<InitializeParameters> {
 		let bytes = await asyncRandomBytes(256);
 		controllerConfig.set("controller.auth_secret", bytes.toString("base64"));
 		await lib.safeOutputFile(
-			controllerConfigPath, JSON.stringify(controllerConfig.serialize(), null, 4)
+			controllerConfigPath, JSON.stringify(controllerConfig.serialize(), null, "\t")
 		);
 	}