Adapt to LocalIPFS and mention InfuraIPFS

Author: ligi

README.md

@@ -22,19 +22,21 @@ dependencies {
 
 ### add a string
 ```kotlin
-val multihash = IPFS().add.string("test-string").Hash
+val multihash = LocalIPFS().add.string("test-string").Hash
 ```
 
 ### get a string
 ```kotlin
-val content = IPFS().get.cat(multihash)
+val content = LocalIPFS().get.cat(multihash)
 ```
 
 ### get commit from version
 ```kotlin
-val commit = IPFS().info.version().Commit
+val commit = LocalIPFS().info.version().Commit
 ```
 
+Note: when you are not running a local IPFS daemon you can also use infura just replace LocalIPFS() with InfuraIPFS() or write your own configuration.
+
 # Apps that use this library
 
 * [IPFSDroid](http://github.com/ligi/IPFSDroid)