Add /api/notes to get and post notes

notes/admin.py

@@ -1,3 +1,28 @@
 from django.contrib import admin
+from django.contrib.auth.admin import UserAdmin as BaseUserAdmin
+
+from notes.models import Note, User
 
 # Register your models here.
+#
+
+
+@admin.register(User)
+class UserAdmin(BaseUserAdmin):
+    fieldsets = [
+        *BaseUserAdmin.fieldsets,
+        ("Notes", {"fields": ("allow_notes_from", "expiry_seconds")}),
+    ]
+    add_fieldsets = [
+        *BaseUserAdmin.add_fieldsets,
+        ("Notes", {"fields": ("allow_notes_from", "expiry_seconds")}),
+    ]
+    filter_horizontal = (
+        *BaseUserAdmin.filter_horizontal,
+        "allow_notes_from",
+    )
+
+
+@admin.register(Note)
+class NoteAdmin(admin.ModelAdmin):
+    pass