update readme

README.md

@@ -26,6 +26,7 @@ A React Native bridge module for interacting with [Apple HealthKit] data.
       * ~~[getStepCountForDay](#getstepcountforday)~~
       * [getDailyStepCountSamples](#getdailystepcountsamples)
       * ~~[getMultiDayStepCounts](#getmultidaystepcounts)~~
+      * [saveSteps](#savesteps)
       * [getDistanceWalkingRunning](#getdistancewalkingrunning)
       * [getDistanceCycling](#getdistancecycling)
       * [getFlightsClimbed](#getflightsclimbed)
@@ -367,6 +368,30 @@ the function will be called with an array of elements `res` containing date and
 
 ___
 
+#### **`saveSteps`**
+save a step count sample. a step count sample represents the number of steps during a specific period of time. a sample should be a precise as possible, with startDate and endDate representing the range of time the steps were taken in.
+
+`saveSteps` accepts an options object containing required *`value: number`*, *`startDate: ISO8601Timestamp`*, and *`endDate: ISO8601Timestamp`*.
+```javascript
+// startDate and endDate are 30 minutes apart. this means the step count value occured within those 30 minutes.
+let options = {
+	value: 100,
+	startDate: (new Date(2016,6,2,6,0,0)).toISOString(),
+	endDate: (new Date(2016,6,2,6,30,0)).toISOString()
+};
+```
+
+```javascript
+AppleHealthKit.saveSteps(options, (err, res) => {
+	if(this._handleHKError(err, 'saveSteps')){
+		return;
+	}
+	// step count sample successfully saved
+});
+```
+
+___
+
 #### **`getDistanceWalkingRunning`**
 get the total distance walking/running on a specific day. 
 

examples/StepsDemo/app/components/home/index.js

@@ -108,7 +108,6 @@ class Home extends Component {
             if(this._handleHKError(err, 'getDailyStepCountSamples')){
                 return;
             }
-            console.log('res: ', res);
             this.setState({stepHistory: res});
         });
     }