v2.2.1: fix ws & rest authentication issues caused by time-sync mechanism

examples/README.md

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+# Examples
+
+These samples can be executed using `ts-node`:
+```
+ts-node ./examples/rest-spot-public.ts
+```

examples/ws-private.ts

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+import { DefaultLogger } from '../src';
+import { WebsocketClient, wsKeySpotPublic } from '../src/websocket-client';
+
+// or
+// import { DefaultLogger, WebsocketClient } from 'bybit-api';
+
+(async () => {
+  const logger = {
+    ...DefaultLogger,
+    // silly: () => {},
+  };
+
+  const key = process.env.API_KEY;
+  const secret = process.env.API_SECRET;
+
+  // USDT Perps:
+  const market = 'linear';
+  // Inverse Perp
+  // const market = 'inverse';
+  // const market = 'spot';
+
+  // Note: the WebsocketClient defaults to testnet. Set `livenet: true` to use live markets.
+  const wsClient = new WebsocketClient(
+    {
+      key: key,
+      secret: secret,
+      market: market,
+      livenet: true,
+      restOptions: {
+        // disable_time_sync: true,
+      },
+    },
+    logger
+  );
+
+  wsClient.on('update', (data) => {
+    console.log('raw message received ', JSON.stringify(data, null, 2));
+  });
+
+  wsClient.on('open', (data) => {
+    console.log('connection opened open:', data.wsKey);
+  });
+  wsClient.on('response', (data) => {
+    console.log('ws response: ', JSON.stringify(data, null, 2));
+  });
+  wsClient.on('reconnect', ({ wsKey }) => {
+    console.log('ws automatically reconnecting.... ', wsKey);
+  });
+  wsClient.on('reconnected', (data) => {
+    console.log('ws has reconnected ', data?.wsKey);
+  });
+
+  // subscribe to private endpoints
+  wsClient.subscribe(['position', 'execution', 'order', 'wallet']);
+})();