Update Greeting.jsx link to Urbit website

Author: IzaacMammadov

src/components/Greeting.jsx

@@ -38,7 +38,7 @@ export default function ActivateDisclaimer({ point }) {
         <Text className={cn(TEXT_STYLE, 'block mb2')}>Right now you can:</Text>
       </Grid.Item>
 
-      <Grid.Item full as={LinkButton} href="https://urbit.org/getting-started">
+      <Grid.Item full as={LinkButton} href="https://docs.urbit.org/manual/getting-started">
         <Text className={cn(TEXT_STYLE, 'block mb2')}>
           Boot Arvo, the Urbit OS
         </Text>