feat: add tags workflow

src/projectConfig/serializeProjectConfig.ts

@@ -0,0 +1,15 @@
+import * as yaml from "js-yaml";
+import type { ProjectConfig } from "@/model/projectConfig";
+
+export function serializeProjectConfig(config: ProjectConfig): string {
+	return yaml
+		.dump(
+			{ tags: config.tags },
+			{
+				lineWidth: -1,
+				forceQuotes: false,
+			},
+		)
+		.trimEnd()
+		.concat("\n");
+}