Added warning to use https or TOR for lnurl

lnbits/extensions/withdraw/templates/withdraw/_lnurl.html

@@ -4,7 +4,7 @@
   label="Powered by LNURL">
   <q-card>
     <q-card-section>
-      <p>LNURL is a range of lightning-network standards that allow us to use lightning-network differently. An LNURL withdraw is the permission for someone to pull a certain amount of funds from a lightning wallet. In this extension time is also added - an amount can be withdraw over a period of time. A typical use case for an LNURL withdraw is a faucet, although it is a very powerful technology, with much further reaching implications. For example, an LNURL withdraw could be minted to pay for a subscription service.</p>
+      <p><b>WARNING: LNURL must be used over https or TOR</b><br/> LNURL is a range of lightning-network standards that allow us to use lightning-network differently. An LNURL withdraw is the permission for someone to pull a certain amount of funds from a lightning wallet. In this extension time is also added - an amount can be withdraw over a period of time. A typical use case for an LNURL withdraw is a faucet, although it is a very powerful technology, with much further reaching implications. For example, an LNURL withdraw could be minted to pay for a subscription service.</p>
       <p>Exploring LNURL and finding use cases, is really helping inform lightning protocol development, rather than the protocol dictating how lightning-network should be engaged with.</p>
       <small>Check <a href="https://github.com/fiatjaf/awesome-lnurl" target="_blank">Awesome LNURL</a> for further information.</small>
     </q-card-section>