Add initial chzzk app structure and configuration

.vscode/settings.json

@@ -10,6 +10,7 @@
         "buildx",
         "chatbadge",
         "chatbadgeset",
+        "chzzk",
         "collectstatic",
         "colorama",
         "createsuperuser",

chzzk/apps.py

@@ -0,0 +1,7 @@
+from django.apps import AppConfig
+
+
+class ChzzkConfig(AppConfig):
+    """Config for chzzk app."""
+
+    name = "chzzk"