feat: added core app

solution/services/backend/apps/core/apps.py

@@ -0,0 +1,13 @@
+import contextlib
+
+from django.apps import AppConfig
+from django.core.cache import cache
+
+
+class CoreConfig(AppConfig):
+    name = "apps.core"
+    label = "core"
+
+    def ready(self) -> None:
+        with contextlib.suppress(Exception):
+            cache.add("current_date", 0, timeout=None)