feat: deprecate email, pre-verify users + documentation

backend/apps/accounts/admin.py

@@ -7,12 +7,12 @@ from apps.accounts.models import PhoneOTP, User
 @admin.register(User)
 class UserAdmin(DjangoUserAdmin):
     model = User
-    list_display = ("email", "phone_number", "role", "is_staff", "is_phone_verified")
+    list_display = ("phone_number", "email", "role", "is_staff", "is_phone_verified")
     list_filter = ("role", "is_staff", "is_phone_verified")
-    ordering = ("email",)
+    ordering = ("phone_number",)
     search_fields = ("email", "phone_number")
     fieldsets = (
-        (None, {"fields": ("email", "password")}),
+        (None, {"fields": ("phone_number", "password")}),
         ("Personal", {"fields": ("first_name", "last_name", "phone_number")}),
         ("Roles", {"fields": ("role", "is_phone_verified")}),
         ("Permissions", {"fields": ("is_active", "is_staff", "is_superuser", "groups", "user_permissions")}),
@@ -21,7 +21,7 @@ class UserAdmin(DjangoUserAdmin):
     add_fieldsets = (
         (None, {
             "classes": ("wide",),
-            "fields": ("email", "password1", "password2", "role"),
+            "fields": ("phone_number", "password1", "password2", "role"),
         }),
     )