#18#30#40 improve dnp3demo

[kefeimo]

Addressing #18 #30 #40

Note: spwan from PR #38

Highlight: added --init--random options to improve user-experience during demo

(dnp3py311) kefei@ubuntu-22:~/project/dnp3-python$ dnp3demo outstation -h
usage: dnp3demo outstation [-h] [--outstation-ip= <IP>] [--port= <PORT>] [--master-id= <ID>] [--outstation-id= <ID>] [--init-random]

run a configurable outstation interactive program

options:
  -h, --help            show this help message and exit
  --outstation-ip= <IP>
                        outstation ip, default: 0.0.0.0
  --port= <PORT>        port, default: 20000
  --master-id= <ID>     master id, default: 2
  --outstation-id= <ID>
                        master id, default: 1
  --init-random         if appears, init with random values

(dnp3py311) kefei@ubuntu-22:~/project/dnp3-python$ dnp3demo outstation --init-random
dnp3demo.run_outstation {'command': 'outstation', 'outstation_ip=': '0.0.0.0', 'port=': 20000, 'master_id=': 2, 'outstation_id=': 1, 'init_random': True}
ms(1682550171617) INFO    manager - Starting thread (0)
2023-04-26 18:02:51,619 control_workflow_demo   INFO    Connection Config
2023-04-26 18:02:51,619 control_workflow_demo   INFO    Connection Config
2023-04-26 18:02:51,619 control_workflow_demo   INFO    Connection Config
ms(1682550171620) INFO    server - Listening on: 0.0.0.0:20000
2023-04-26 18:02:51,620 control_workflow_demo   DEBUG   Initialization complete. Outstation in command loop.
2023-04-26 18:02:51,620 control_workflow_demo   DEBUG   Initialization complete. Outstation in command loop.
2023-04-26 18:02:51,620 control_workflow_demo   DEBUG   Initialization complete. Outstation in command loop.

==== Outstation Operation MENU ==================================
<ai> - update analog-input point value (for local reading)
<ao> - update analog-output point value (for local control)
<bi> - update binary-input point value (for local reading)
<bo> - update binary-output point value (for local control)
<dd> - display database
<dc> - display configuration
=================================================================

!!!!!!!!! WARNING: The Outstation is NOT connected !!!!!!!!!

======== Your Input Here: ==(Outstation-Main Menu)======
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
dd
You chose < dd > - display database
{'Analog': {0: 0.7757433660476051, 1: 5.482252351704057, 2: 25.11172662646517, 3: 672.9395625566162, 4: 9844.35342339536}, 'AnalogOutputStatus': {0: 0.960324135906234, 1: 1.2891067616088125, 2: 39.585372356085614, 3: 730.1321995619002, 4: 3655.484404009317}, 'Binary': {0: True, 1: True, 2: False, 3: False, 4: False}, 'BinaryOutputStatus': {0: False, 1: False, 2: True, 3: True, 4: True}}