Cleaned up old Dexie class. Added mnemonic and dateCreated columns.

src/db/tables/accounts.ts

@@ -3,13 +3,16 @@ import { Table } from "dexie";
 export type Account = {
   id?: number;
   publicKey: string;
+  mnemonic: string;
   identity: string;
+  dateCreated: number;
 };
 
 export type AccountsTable = {
   accounts: Table<Account>;
 };
 
+// mark encrypted field by starting with a $ character
 export const accountsSchema = {
-  accounts: "++id, publicKey, $identity",
+  accounts: "++id, publicKey, $mnemonic, $identity, dateCreated",
 };