added error handling + log

src/index.js

@@ -92,6 +92,7 @@ client.on('ready', () => {
             console.log("New: " + radar_image_size);
             
             if(radar_image_size != curr_image_size) {
+            	console.log("File change detected!");
                 let message = await channel.send({
                 	content: radar_caption,
                 	files: [curr_image_path]
@@ -104,4 +105,12 @@ client.on('ready', () => {
 	})();
 });
 
+client.on(Events.ShardError, error => {
+   console.log('A websocket connection encountered an error: ', error); 
+});
+
+process.on('unhandledRejection', error => {
+    console.error(error); 
+});
+
 client.login(config.token);