add encryption for the two SQL columns, replace basic DB utils, add USE_DEXIE_DB flag, and start adding SQL everywhere

src/constants/app.ts

@@ -50,6 +50,8 @@ export const IMAGE_TYPE_PROFILE = "profile";
 export const PASSKEYS_ENABLED =
   !!import.meta.env.VITE_PASSKEYS_ENABLED || false;
 
+export const USE_DEXIE_DB = true;
+
 /**
  * The possible values for "group" and "type" are in App.vue.
  * Some of this comes from the notiwind package, some is custom.