Update README.md

add note about gateway link not working; fix installation code for node

Author: l-silvestre

README.md

@@ -7,15 +7,15 @@ Install with npm from link or ARNS name
 ```sh
 npm i https://arweave.net/8q_uDLWfXIMEWSuq-eQLQFqTGDiJPOl3hIwkwXqZIQI 
 # OR
-npm i https://fairprotocolsdk.arweave.dev
+npm i https://fairprotocolsdk.arweave.dev # currently not working
 ```
 
 **Note:** Using ARNS name will use latest version of the sdk deployed
 
 ## Usage
 
 ```ts
-import FairSDK from 'fair-protocol-sdk';
+import FairSDK from 'fair-protocol-sdk/node';
 ```
 
 Or Import For Browser