Update README.md

Added '--easy' flag to 'eoc' call. This is workaround until the 'failOnWarning' issue (objectionary/eo#3663) will be fixed. (inexperienced users with 'eo' who come for the first time and try to compile 'Hello world!' should not be discouraged)

README.md

@@ -34,7 +34,7 @@ in the current directory:
 Then, you run it:
 
 ```bash
-eoc dataize hello
+eoc --easy dataize hello
 ```
 
 That's it.