aggiunto campo nota a config

config/admin.py

@@ -3,4 +3,4 @@ from .models import *
 
 @admin.register(Config)
 class Configurazione(admin.ModelAdmin):
-  list_display = ['indice','valore',]
+  list_display = ['indice','valore','nota',]

config/models.py

@@ -2,7 +2,8 @@ from django.db import models
 
 class Config(models.Model):
     indice = models.CharField(max_length=32,null=False)
-    valore = models.CharField(max_length=256,null=True)
+    valore = models.CharField(max_length=128,null=True)
+    nota = models.CharField(max_length=256,null=True)
     class Meta:
       constraints = [ models.UniqueConstraint(fields=['indice'], name="unique-indice") ]
       indexes = [ models.Index(fields=['indice']) ]