style: organize the admin fields

program/admin.py

@@ -18,6 +18,7 @@ from program.models import (
 
 @admin.register(Category, FundingCategory, MusicFocus, Topic, Type)
 class AdminWithNameSlugIsActive(admin.ModelAdmin):
+    fields = ("is_active", "name", "slug")
     list_display = ("name", "slug", "is_active")
 
 
@@ -36,11 +37,13 @@ class HostAdmin(admin.ModelAdmin):
 
 @admin.register(Language)
 class LanguageAdmin(admin.ModelAdmin):
+    fields = ("is_active", "name")
     list_display = ("name", "is_active")
 
 
 @admin.register(RRule)
 class RRuleAdmin(admin.ModelAdmin):
+    fields = ("name", "freq", "interval", "by_set_pos", "by_weekdays", "count")
     list_display = ("name", "freq", "interval", "by_set_pos", "by_weekdays", "count")