Improve cross-platform support

Signed-off-by: James Zuccon <zuccon@gmail.com>

examples/node/genesisTest.js

@@ -3,7 +3,7 @@ import {
   BlockchainLocal,
   StorageMemory,
   WalletP2PKH,
-  StorageSQLite,
+  StorageLocal,
 } from '@xo/wallet';
 
 const blockchainLocal = new BlockchainLocal();
@@ -67,9 +67,9 @@ await storageMemory.set('test', {
 
 console.log(storageMemory.storage);
 
-const storageIDB = new StorageSQLite();
-await storageIDB.start();
+const storageLocal = new StorageLocal();
+await storageLocal.start();
 
-await storageIDB.set('test', {
+await storageLocal.set('test', {
   thisShouldNotWork: true,
 });