feat(admin): add dark azure-violet theme

src/settings/base.py

@@ -112,7 +112,7 @@ JAZZMIN_SETTINGS = {
     # Related modal
     "related_modal_active": True,
     # UI Tweaks
-    "custom_css": None,
+    "custom_css": "admin/css/mostovik-admin-theme.css",
     "custom_js": None,
     "use_google_fonts_cdn": True,
     "show_ui_builder": False,
@@ -144,7 +144,7 @@ JAZZMIN_UI_TWEAKS = {
     "sidebar_nav_compact_style": False,
     "sidebar_nav_legacy_style": False,
     "sidebar_nav_flat_style": False,
-    "theme": "default",
+    "theme": "darkly",
     "dark_mode_theme": "darkly",
     "button_classes": {
         "primary": "btn-primary",