Updated lots of stuff, got multi scrape working, need to test not-nullable chapter novel ids with our current model, now supports sqlite and postgres concurrently (and easy add more), need to get it deployed/do auth

WebNovelPortalAPI/appsettings.json

@@ -6,7 +6,9 @@
     }
   },
   "ConnectionStrings": {
-    "DefaultConnection": "Data Source=test_db"
+    "Sqlite": "Data Source=test_db",
+    "PostgresSql": "placeholder"
   },
+  "DatabaseProvider": "Sqlite",
   "AllowedHosts": "*"
 }