Update README.md

Author: vkruglikov

README.md

@@ -1,4 +1,4 @@
-# react-leaflet-marker
+# [react-leaflet-marker](https://www.npmjs.com/package/react-leaflet-marker)
 Custom markers for react-leaflet maps.
 
 You can use any react component with version of [react-leaflet](https://github.com/PaulLeCam/react-leaflet) 3.x.x || 4.x.x
@@ -130,4 +130,4 @@ For example, I used [antd](https://github.com/ant-design/ant-design/) dropdown a
 | `zIndexOffset`? | 0 | number | By default, marker images zIndex is set automatically based on its latitude. Use this option if you want to put the marker on top of all others (or below), specifying a high value like `1000` (or high negative value, respectively). |
 | `interactive`? | false | bool | If set `false`, the marker won't respond to mouse |
 | `size`? | - | [width: number, height: number] | Size marker. Required for `placement` |
-| `placement`? | center | string | One of `top`, `center`, `bottom` |
+| `placement`? | center | string | One of `top`, `center`, `bottom` |