Reformat Code in Readme text

Author: jason-fox

README.md

@@ -479,15 +479,12 @@ function createMediaElements(pipeline, ws, callback) {
 
 ```javascript
 function connectMediaElements(webRtcEndpoint, callback) {
-    webRtcEndpoint.connect(
-        webRtcEndpoint,
-        error => {
-            if (error) {
-                return callback(error);
-            }
-            return callback(null);
+    webRtcEndpoint.connect(webRtcEndpoint, error => {
+        if (error) {
+            return callback(error);
         }
-    );
+        return callback(null);
+    });
 }
 ```
 
@@ -667,24 +664,18 @@ function createMediaElements(pipeline, ws, callback) {
 
 ```javascript
 function connectMediaElements(webRtcEndpoint, faceOverlayFilter, callback) {
-    webRtcEndpoint.connect(
-        faceOverlayFilter,
-        error => {
+    webRtcEndpoint.connect(faceOverlayFilter, error => {
+        if (error) {
+            return callback(error);
+        }
+        faceOverlayFilter.connect(webRtcEndpoint, error => {
             if (error) {
                 return callback(error);
             }
-            faceOverlayFilter.connect(
-                webRtcEndpoint,
-                error => {
-                    if (error) {
-                        return callback(error);
-                    }
 
-                    return callback(null);
-                }
-            );
-        }
-    );
+            return callback(null);
+        });
+    });
 }
 ```
 
@@ -815,25 +806,19 @@ function createMediaElements(pipeline, ws, callback) {
 
 ```javascript
 function connectMediaElements(webRtcEndpoint, filter, callback) {
-    webRtcEndpoint.connect(
-        filter,
-        error => {
+    webRtcEndpoint.connect(filter, error => {
+        if (error) {
+            return callback(error);
+        }
+
+        filter.connect(webRtcEndpoint, error => {
             if (error) {
                 return callback(error);
             }
 
-            filter.connect(
-                webRtcEndpoint,
-                error => {
-                    if (error) {
-                        return callback(error);
-                    }
-
-                    return callback(null);
-                }
-            );
-        }
-    );
+            return callback(null);
+        });
+    });
 }
 ```