add discovery of people's profiles, and update profile endpoints for latest server version

src/db/tables/settings.ts

@@ -13,14 +13,14 @@ export type BoundingBox = {
  */
 export type Settings = {
   // default entry is keyed with MASTER_SETTINGS_KEY; other entries are linked to an account with account ID
-  id?: number; // this is only blank on input, when the database assigns it
+  id?: number; // this is erased for all those entries that are keyed with accountDid
 
   // if supplied, this settings record overrides the master record when the user switches to this account
   accountDid?: string; // not used in the MASTER_SETTINGS_KEY entry
   // active Decentralized ID
   activeDid?: string; // only used in the MASTER_SETTINGS_KEY entry
 
-  apiServer?: string; // API server URL
+  apiServer: string; // API server URL
 
   filterFeedByNearby?: boolean; // filter by nearby
   filterFeedByVisible?: boolean; // filter by visible users ie. anyone not hidden
@@ -29,7 +29,7 @@ export type Settings = {
   firstName?: string; // user's full name, may be null if unwanted for a particular account
   hideRegisterPromptOnNewContact?: boolean;
   isRegistered?: boolean;
-  imageServer?: string;
+  // imageServer?: string; // if we want to allow modification then we should make image functionality optional -- or at least customizable
   lastName?: string; // deprecated - put all names in firstName
 
   lastAckedOfferToUserJwtId?: string; // the last JWT ID for offer-to-user that they've acknowledged seeing