add ln icon to login

components/header.js

@@ -14,6 +14,7 @@ import { randInRange } from '../lib/rand'
 import { formatSats } from '../lib/format'
 import NoteIcon from '../svgs/notification-4-fill.svg'
 import { useQuery, gql } from '@apollo/client'
+import LightningIcon from '../svgs/bolt.svg'
 
 function WalletSummary ({ me }) {
   if (!me) return null
@@ -127,9 +128,15 @@ export default function Header ({ sub }) {
       }
       return path !== '/login' && !path.startsWith('/invites') &&
         <Button
+          className='align-items-center d-flex pl-2 pr-3'
           id='login'
           onClick={() => signIn(null, { callbackUrl: window.location.origin + router.asPath })}
-        >login
+        >
+          <LightningIcon
+            width={17}
+            height={17}
+            className='mr-1'
+          />login
         </Button>
     }
   }