Resolve "Refactor how PNDs are implemented in the code"

Description

Related Issue

Motivation and Context

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

Closes #243

controller/configs/development-gosdn.toml.example

-basepnduuid = "5f20f34b-cbd0-4511-9ddc-c50cf6a3b49d"
+amqphost = 'localhost'
+amqppassword = 'guest'
+amqpport = '5672'
+amqpprefix = 'amqp://'
+amqpuser = 'guest'
+basepnduuid = '5f20f34b-cbd0-4511-9ddc-c50cf6a3b49d'
 basesouthboundtype = 1
-basesouthbounduuid = "ca29311a-3b17-4385-96f8-515b602a97ac"
-csbi-orchestrator = "localhost:55056"
+basesouthbounduuid = 'ca29311a-3b17-4385-96f8-515b602a97ac'
+cli_pnd = '0455b241-5863-4660-ad15-dfde7617738e'
+cli_sbi = 'a249f2d2-f7da-481d-8a99-b7f11471e0af'
+config = '/home/neil/code/gosdn/controller/configs/development-gosdn.toml'
+csbi-orchestrator = 'localhost:55056'
+databaseconnection = 'mongodb://root:example@localhost:27017'
+defaultjwtduration = 24
+filesystempathtostores = 'stores'
+gnmisubscriptionspath = 'configs/gNMISubscriptions.txt'
 help = false
-plugin-folder = "plugins"
-log-level = "debug"
-socket = ":55055"
-databaseConnection = "mongodb://root:example@localhost:27017"
-filesystemPathToStores = "stores"
-gNMISubscriptionsPath = "controller/configs/gNMISubscriptions.txt"
-
-amqpPrefix = "amqp://"
-amqpUser = "guest"
-amqpPassword = "guest"
-amqpHost = "localhost"
-amqpPort = "5672"
+log-level = 'debug'
+plugin-folder = 'plugins'
+pnduuid = 'bf8160d4-4659-4a1b-98fd-f409a04111ec'
+security = 'insecure'
+socket = ':55055'