add settings table to store names (and other things soon)

src/db/tables/accounts.ts

@@ -1,15 +0,0 @@
-export type Account = {
-  id?: number; // auto-generated by Dexie
-  dateCreated: Date;
-  derivationPath: string;
-  identity: string;
-  publicKeyHex: string;
-  mnemonic: string;
-};
-
-// mark encrypted field by starting with a $ character
-// see https://github.com/PVermeer/dexie-addon-suite-monorepo/tree/master/packages/dexie-encrypted-addon
-export const accountsSchema = {
-  accounts:
-    "++id, dateCreated, derivationPath, $identity, $mnemonic, publicKeyHex",
-};