Add WSGI config and ignore database file

.gitignore

@@ -13,3 +13,4 @@ dist/
 # 备份
 *.old/
 *.bak
+db.sqlite3

code/backend/backend/wsgi.py

@@ -0,0 +1,11 @@
+"""
+WSGI config for lobster_monitor project.
+"""
+
+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'backend.settings')
+
+application = get_wsgi_application()