[phaser] Exclude example TS files from build

spine-ts/spine-phaser/tsconfig.json

@@ -20,7 +20,8 @@
 		"**/*.ts",
 	],
 	"exclude": [
-		"dist/**/*.d.ts"
+		"dist/**/*.d.ts",
+		"example/**/*.ts"
 	],
 	"references": [
 		{