Update README.md

Co-authored-by: Mike Heffner <mikeh@fesnel.com>

Author: rjenkins

README.md

@@ -48,8 +48,8 @@ const rotel = new Rotel({
     }),             
   },
   exporters_traces: ["otlp"],
-│ exporters_metrics: ["otlp"],
-│ exporters_logs: ["otlp"],
+  exporters_metrics: ["otlp"],
+  exporters_logs: ["otlp"],
 })
 rotel.start()
 ```