Refined README, added __init__.py for management

and management/commands folders

README.md

@@ -1,20 +1,45 @@
 # NetBox Cisco Support API Plugin
-[NetbBx](https://github.com/netbox-community/netbox) plugin using Cisco Support APIs to gather EoX and Contract coverage information for Cisco devices.
+[NetBox](https://github.com/netbox-community/netbox) plugin using Cisco Support APIs to gather EoX and Contract coverage information for Cisco devices.
 
 ## Compatibility
-This plugin in compatible with [NetBox](https://netbox.readthedocs.org/) 2.11 and later.
+This plugin in compatible with [NetBox](https://netbox.readthedocs.org/) 3.0.3 and later.
 
 ## Installation
 The plugin is available as a Python package in pypi and can be installed with pip
 
 ```
-pip install netbox-cisco-support
+$ source /opt/netbox/venv/bin/activate
+(venv) $ pip install netbox-cisco-support
 ```
-Enable the plugin in /opt/netbox/netbox/netbox/configuration.py:
+
+Enable the plugin in `/opt/netbox/netbox/netbox/configuration.py`:
+
 ```
+# Enable installed plugins. Add the name of each plugin to the list.
 PLUGINS = ['netbox_cisco_support']
+
+# Plugins configuration settings. These settings are used by various plugins that the user may have installed.
+# Each key in the dictionary is the name of an installed plugin and its value is a dictionary of settings.
+PLUGINS_CONFIG = {
+    'netbox_cisco_support': {
+        'cisco_client_id': 'bar',     # Client ID of your plugin installation. Generate it inside Cisco API Console
+        'cisco_client_secret': 'bazz' # Client Secret of your plugin installation. Generate it inside Cisco API Console
+    }
+}
+```
+
+Restart NetBox and add `netbox-cisco-support` to your `local_requirements.txt`
+
+```
+(venv) $ cd /opt/netbox/netbox/
+(venv) $ python3 manage.py migrate
+# sudo systemctl restart netbox
+```
+
+Sync Cisco EoX data for the first time
 ```
-Restart NetBox and add `netbox-cisco-support` to your local_requirements.txt
+(venv) $ cd /opt/netbox/netbox/
+(venv) $ python3 manage.py migrate
 
 ## Configuration
 The following options are available:

netbox_cisco_support/__init__.py

@@ -10,7 +10,7 @@ class CiscoSupportConfig(PluginConfig):
     author = 'Timo Reimann'
     author_email = 'timo@goebelmeier.de'
     base_url = 'cisco-support'
-    min_version = '2.11.1'
+    min_version = '3.0.3'
     required_settings = []
     default_settings = {
         'device_ext_page': 'right'