Sync bind-addr docs

In the original [$6173] pr `bind` was a typo for `bind-addr`.
`bind` never existed, so this commit updates uses of `bind` to `bind-addr`.
This links lightningd-config.5.md to configuration.md since `bind-addr` has options of interest such as ipv4/ipv6.

CHANGELOG.md

@@ -191,7 +191,7 @@ This release named by Matt Morehouse.
  - JSON-RPC: `listconfigs` now has `configs` subobject with more information about each config option. ([#6243])
  - Config: `--regtest` option as alias for `--network=regtest` ([#6243])
  - Config: `accept-htlc-tlv-type` (replaces awkward-to-use `accept-htlc-tlv-types`) ([#6243])
- - Config: `bind=ws:...` to explicitly listen on a websocket. ([#6173])
+ - Config: `bind-addr=ws:...` to explicitly listen on a websocket. ([#6173])
  - Config: `bind` can now take `dns:` prefix to advertize DNS records. ([#6173])
  - Plugins: `sendpay` now allows self-payment of invoices, by specifying an empty route. ([#6399])
  - Plugins: plugins can subscribe to all notifications using "*". ([#6347])
@@ -233,7 +233,7 @@ Note: You should always set `allow-deprecated-apis=false` to test for changes.
  - JSON-RPC: `listconfigs` direct fields, use `configs` sub-object and `set`, `value_bool`, `value_str`, `value_int`, or `value_msat` fields. ([#6243])
  - Config: boolean plugin options set to `1` or `0` (use `true` and `false` like non-plugin options). ([#6243])
  - Config: `accept-htlc-tlv-types` (use `accept-htlc-tlv-type` multiple times) ([#6243])
- - Config: `experimental-websocket-port`: use `--bind=ws::<portnum>`. ([#6173])
+ - Config: `experimental-websocket-port`: use `--bind-addr=ws::<portnum>`. ([#6173])
  - Config: bind-addr=xxx.onion and addr=xxx.onion, use announce-addr=xxx.onion (which was always equivalent). ([#6173])
  - Config: addr=/socketpath, use listen=/socketpath (which was always equivalent). ([#6173])
  - Config: `announce-addr-dns`; use `--bind-addr=dns:ADDR` for finer control. ([#6173])

doc/lightningd-config.5.md

@@ -762,7 +762,8 @@ connections on that port, on any IPv4 and IPv6 addresses you listen
 to ([bolt][bolt] #891).  The normal protocol is expected to be sent over WebSocket binary
 frames once the connection is upgraded.
 
-  You should use `bind=ws::<portnum>` instead to create a WebSocket listening port.
+  You should use `bind-addr=ws::<portnum>` instead to create a WebSocket listening port.
+  see [Networking options](getting-started/getting-started/configuration.md#networking-options)
 
 * **experimental-peer-storage**
 

lightningd/options.c

@@ -1162,7 +1162,7 @@ static char *opt_set_websocket_port(const char *arg, struct lightningd *ld)
 	char *err;
 
 	if (!ld->deprecated_apis)
-		return "--experimental-websocket-port been deprecated, use --bind=ws:...";
+		return "--experimental-websocket-port been deprecated, use --bind-addr=ws:...";
 
 	err = opt_set_u32(arg, &port);
 	if (err)