fixup! WIP: BOLT 7: Onion message support.

Add draft feature bit for onion_messages.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

09-features.md

@@ -38,6 +38,8 @@ The Context column decodes as follows:
 | 14/15 | `payment_secret`                 | Node supports `payment_secret` field                      | IN9      | `var_onion_optin` | [Routing Onion Specification][bolt04] |
 | 16/17 | `basic_mpp`                      | Node can receive basic multi-part payments                | IN9      | `payment_secret`  | [BOLT #4][bolt04-mpp]                 |
 | 18/19 | `option_support_large_channel`   | Can create large channels                                 | INC+     |                   | [BOLT #2](02-peer-protocol.md#the-open_channel-message) |
+| 102/103 | `option_onion_messages`        | Can forward onion messages                                | INC+     |                   | [BOLT #7](07-routing-gossip.md#onion-messages) |
+
 
 ## Requirements