feat: initialize letters app and register it in settings

backend/config/settings.py

@@ -47,6 +47,7 @@ INSTALLED_APPS = [
     "rest_framework",  # for API
     "corsheaders",  # for API and Frontend connect
     "users",  # custom user app
+    "letters",  # letters app
 ]
 
 MIDDLEWARE = [

backend/letters/admin.py

@@ -0,0 +1 @@
+# Register your models here.

backend/letters/apps.py

@@ -0,0 +1,5 @@
+from django.apps import AppConfig
+
+
+class LettersConfig(AppConfig):
+    name = "letters"

backend/letters/models.py

@@ -0,0 +1 @@
+# Create your models here.

backend/letters/tests.py

@@ -0,0 +1 @@
+# Create your tests here.

backend/letters/views.py

@@ -0,0 +1 @@
+# Create your views here.