Update Readme.md and work on the CLI

Readme.md update - added cli usage section
CLI work continues (not finished)

cmd/cli/main.go

@@ -91,6 +91,10 @@ func dispatch(apiClient *twitchapi.Client, streamerChan string, args []string, w
 			}
 
 		case "title":
-			
+			if len(args)<2 { fmt.Println("usage: title get|set <value>"); return }
+			sub := strings.ToLower(args[1])
+			switch sub {
+				case "get":
+			}
 	}
 }