message: 221: Added localization.priceFormatter docuemntation
diff: @@ -96,6 +96,22 @@ const chart = createChart(document.body, {
  });
  ```
  +#### Price Format
  +
  +`priceFormatter` function can be used to customize the format of the price displayed on the price scale for crosshair value and labels.
  +
  +```javascript
  +const chart = createChart(document.body, {
  + localization: {
  + priceFormatter: function(price) {
  + // add $ sign before price
  +
  + return '$' + price;
  + },
  + },
  +});
  +```
  +
  ## Price Axis
  Price axis is the vertical scale used for price value data.
  