chore: add proper LSG dev script

Author: justandras

packages/live-status-gateway/package.json

@@ -29,7 +29,7 @@
 		"ci": "run test",
 		"inspect": "node --experimental-fetch --inspect dist/index.js",
 		"start": "node --experimental-fetch dist/index.js",
-		"dev": "run start -id localDevLsg",
+		"dev": "run tsx watch src/index.ts -- -id localDevLsg",
 		"validate:dependencies": "yarn npm audit --groups dependencies && yarn license-validate",
 		"validate:dev-dependencies": "yarn npm audit --groups devDependencies",
 		"license-validate": "run -T sofie-licensecheck"
@@ -65,6 +65,7 @@
 		"ws": "^8.18.0"
 	},
 	"devDependencies": {
+		"tsx": "^4.20.5",
 		"type-fest": "^4.33.0"
 	},
 	"lint-staged": {
@@ -75,4 +76,4 @@
 			"yarn lint:raw"
 		]
 	}
-}
+}