feat(init): initial commit for Flask-based temporary file transfer service (web UI, API, SQLite)

config.py

@@ -0,0 +1,14 @@
+import os
+
+BASE_DIR = os.path.abspath(os.path.dirname(__file__))
+
+SECRET_KEY = os.environ.get('SECRET_KEY', 'dev-secret-key-change-in-production')
+UPLOAD_FOLDER = os.path.join(BASE_DIR, 'uploads')
+DATABASE = os.path.join(BASE_DIR, 'files.db')
+MAX_CONTENT_LENGTH = 500 * 1024 * 1024
+
+EXPIRY_OPTIONS = {
+    '1h': 60 * 60,
+    '24h': 24 * 60 * 60,
+    '7d': 7 * 24 * 60 * 60,
+}