docs: update readme. (#93)

README.md

@@ -1,11 +1,15 @@
 ## BusMap
 
+<img alt="BusMap" src="./packages/ui/assets/png/logo.png" width="125px" />
+
 Bus maps of North American and South American transit agencies supported by the [UMO public XML feed](https://retro.umoiq.com/xmlFeedDocs/NextBusXMLFeed.pdf), including SF Muni CIS, Toronto Transit Commission, and OmniTrans. App data provided by the [Restbus API](http://restbus.info/).
 
 ### Desktop
+
 <img src="./media/busmap-app.png" alt="BusMap" width="650" />
 
 ### Mobile
+
 <img src="./media/busmap-app-mobile.png" alt="BusMap mobile" width="400px" />
 
 ## Docs