Assorted fixes (#25)

* Updated imports for Netbox 3.6.1

Closes #21 and #23

* Changed Fieldtypes of Start and Expiration Date

Closes #22

* Bump to NetBox v3.6.1

* Add pyproject.toml and python workflow

---------

Co-authored-by: Manuel Hartung <manuel.hartung@atos.net>

netbox_slm/__init__.py

@@ -1,18 +1,18 @@
 from extras.plugins import PluginConfig
 
+__version__ = "1.4"
+
 
 class SLMConfig(PluginConfig):
-    name = 'netbox_slm'
-    verbose_name = 'Software Lifecycle Management'
-    description = 'Software Lifecycle Management Netbox Plugin.'
-    version = '1.4'
-    author = 'ICTU'
-    author_email = 'open-source-projects@ictu.nl'
-    base_url = 'slm'
+    name = "netbox_slm"
+    verbose_name = "Software Lifecycle Management"
+    description = "Software Lifecycle Management Netbox Plugin."
+    version = __version__
+    author = "ICTU"
+    author_email = "open-source-projects@ictu.nl"
+    base_url = "slm"
     required_settings = []
-    default_settings = {
-        'version_info': False
-    }
+    default_settings = {"version_info": False}
 
 
 config = SLMConfig