Documentation: Ip flag usage (#19)

* Update documentation

README.md

@@ -134,7 +134,7 @@ Use "hostctl [command] --help" for more information about a command.
 +---------+--------+----------------+----------------------------+
 ```
 
-### Add new profile
+### Add new profile from a file
 
 You can store routing as a separate file and add it to the global hosts file when you need.
 
@@ -166,6 +166,28 @@ You can add that content as a profile with this command:
 +---------+--------+----------------+------------------------------+
 ```
 
+### Add new profile from cli
+
+You can add a new profile or add new domain to a specific profile directly from the cli:
+
+You can add that content as a profile with this command:
+
+`$>hostctl -p test add domains test.com --ip 123.123.123.123 `
+
+```
+// Output:
++---------+--------+-----------------+------------------------------+
+| PROFILE | STATUS | IP | DOMAIN |
++---------+--------+-----------------+------------------------------+
+| default | on | 127.0.0.1 | localhost |
+| default | on | 127.0.1.1 | some-existing.local |
+| default | on | ::1 | ip6-localhost |
++---------+--------+-----------------+------------------------------+
+| another | on | 192.168.1.51 | jupyter.toolkit-lite.local |
++---------+--------+-----------------+------------------------------+
+| test | on | 123.123.123.123 | test.com |
++---------+--------+-----------------+------------------------------+
+```
 
 ### Enable/Disable profile