feed filter: save the changed values to the DB, go to map if no location chosen, reload if necessary

src/db/tables/settings.ts

@@ -16,6 +16,10 @@ export type Settings = {
 
   activeDid?: string; // Active Decentralized ID
   apiServer?: string; // API server URL
+
+  filterFeedNearby?: string; // filter by nearby
+  filterFeedContacts?: string; // filter by user contacts
+
   firstName?: string; // User's first name
   isRegistered?: boolean;
   lastName?: string; // deprecated - put all names in firstName