docs: update readme config documentation as well as update example co…

…nfig

README.md

@@ -61,7 +61,13 @@ $ aion-cli solve gurobi [form_ID]
 If the form_ID is saved to the config file using the optional --save flag then you can omit the form_ID argument for all future calls to the same form
 
 ### Config
-The config command allows the user to edit or remove the config file the program uses. These are the subcommands:  
+The config command allows the user to edit or remove the config file the program uses. It has a TUI that can be accessed by running the base config command which allows for easy editing of the config file.  
+```
+$ aion-cli config
+```
+
+You can also use subcommands instead.  
+These are the subcommands:  
 - solver - select the default solver the program uses
 - formID - edit the default formID used when no argument is provided to certain commands
 - ical - edit whether the program auto saves the solution as an ICal ics file when using the generate command 

examples/example_config.json

@@ -1,6 +1,8 @@
 {
+    "version": "0.1",
     "default_solver": "min_cost",
     "formID": "",
     "ical_save": false,
-    "csv_save": false
+    "csv_save": false,
+    "default_sorter": "timeslot"
 }