Increase ping interval from 10 seconds to 20 seconds

src/index.ts

@@ -13,7 +13,7 @@ class Uptime {
         console.log('Starting...');
         console.log(`Starting at ${this.startTime.toLocaleDateString()} ${this.startTime.toLocaleTimeString()}`);
         this.handle();
-        setInterval(() => this.handle(), 1000 * 10);
+        setInterval(() => this.handle(), 1000 * 20);
     }
 
     async handle() {