Update 'README.MD'

Reviewed-on: #14

FarmmapsApi/Constants.cs

@@ -19,7 +19,7 @@ namespace FarmmapsApiSamples
         public const string VRAHAULMKILLING_TASK = "vnd.farmmaps.task.vrahaulmkilling";
         public const string VRAPLANTING_TASK = "vnd.farmmaps.task.vrapoten";
         public const string VRAZONERING_TASK = "vnd.farmmaps.task.vrazonering";
-        public const string SATELLITE_TASK = "vnd.farmmaps.task.satellite";
+        public const string SATELLITE_TASK = "vnd.farmmaps.task.sentinelhub"; 
         public const string VANDERSAT_TASK = "vnd.farmmaps.task.vandersat";
         public const string TASKMAP_TASK = "vnd.farmmaps.task.taskmap";
         public const string WORKFLOW_TASK = "vnd.farmmaps.task.workflow";

README.MD

@@ -1,15 +1,27 @@
 ##### NOT PRODUCTION READY CODE, JUST AN EXAMPLE
 
-Put your clientId and clientSecret in a newly created appsettings.secrets.json file inside the root of the Secrets project.  
+Put your clientId and clientSecret or your Farmmaps-account data (username and password) in a newly created appsettings.secrets.json file inside the root of the Secrets project.  
 
 **appsettings.secrets.json**
 ```
 {
+  //API credential sign-in
   "ClientId": "<clientId>",
   "ClientSecret": "<clientSecret>"
 }
 ```
 
+Or when using a Farmmaps account to sign-in
+
+**appsettings.secrets.json**
+```
+{
+ //Sign-in using farmmaps account
+ "Username": "",
+ "Password": ""
+}
+```
+
 * Isn't 100% complete.  
 * Needs proper testing of all public api methods.
 * Needs documentation of all public api methods.