Updating screenshot urls in readme

Author: vishalnarkhede

README.md

@@ -60,9 +60,9 @@ The best place to start is the [React Native Chat Tutorial](https://getstream.io
 This repo includes 3 example apps. One made with Expo, one Native JavaScript code, and one in TypeScript.
 
 <div style="display: inline">
-  <img src="./screenshots/1.png" alt="IMAGE ALT TEXT HERE" width="250" border="1" style="margin-right: 30px" />
-  <img src="./screenshots/2.png" alt="IMAGE ALT TEXT HERE" width="250" border="1" style="margin-right: 30px" />
-  <img src="./screenshots/3.png" alt="IMAGE ALT TEXT HERE" width="250" border="1" />
+  <img src="https://github.com/GetStream/stream-chat-react-native/blob/master/screenshots/1.png" alt="IMAGE ALT TEXT HERE" width="250" border="1" style="margin-right: 30px" />
+  <img src="https://github.com/GetStream/stream-chat-react-native/blob/master/screenshots/2.png" alt="IMAGE ALT TEXT HERE" width="250" border="1" style="margin-right: 30px" />
+  <img src="https://github.com/GetStream/stream-chat-react-native/blob/master/screenshots/3.png" alt="IMAGE ALT TEXT HERE" width="250" border="1" />
 </div>
 
 ### Expo example
@@ -118,9 +118,9 @@ This repo includes 3 example apps. One made with Expo, one Native JavaScript cod
 Check out our tutorial on how to build a slack clone using react-native and stream-chat-react-native
 
 <div style="display: inline">
-  <img src="./screenshots/4.png" alt="IMAGE ALT TEXT HERE" width="250" border="1" style="margin-right: 30px" />
-  <img src="./screenshots/5.png" alt="IMAGE ALT TEXT HERE" width="250" border="1" style="margin-right: 30px" />
-  <img src="./screenshots/6.png" alt="IMAGE ALT TEXT HERE" width="250" border="1" />
+  <img src="https://github.com/GetStream/stream-chat-react-native/blob/master/screenshots/4.png" alt="IMAGE ALT TEXT HERE" width="250" border="1" style="margin-right: 30px" />
+  <img src="https://github.com/GetStream/stream-chat-react-native/blob/master/screenshots/5.png" alt="IMAGE ALT TEXT HERE" width="250" border="1" style="margin-right: 30px" />
+  <img src="https://github.com/GetStream/stream-chat-react-native/blob/master/screenshots/6.png" alt="IMAGE ALT TEXT HERE" width="250" border="1" />
 </div>
 
 - **Tutorial** [https://medium.com/@vishalnarkhede.iitd/slack-clone-with-react-native-part-1-f71a5e6a339f](https://medium.com/@vishalnarkhede.iitd/slack-clone-with-react-native-part-1-f71a5e6a339f?source=friends_link&sk=b06d7cc0c49bd08bcf398df9c89d48d7)