improve layout of ec os

Author: gilesknap

src/epics_containers_cli/ioc/local_commands.py

@@ -158,4 +158,4 @@ def ps(self, all: bool, wide: bool):
             rows.append(line.split("%"))
 
         for row in rows:
-            print("{:<20}{:<20}{:<20}{}".format(*row))
+            print("{0: <20.20} {1: <20.20} {2: <23.23} {3}".format(*row))