feat(loadbalancer): support for idle timeout (TCP and UDP) (#1039)

docs/data-sources/loadbalancer.md

@@ -57,6 +57,8 @@ Read-Only:
 - `port` (Number) Port number where we listen for traffic.
 - `protocol` (String) Protocol is the highest network protocol we understand to load balance.
 - `target_pool` (String) Reference target pool by target pool name.
+- `tcp` (Attributes) Options that are specific to the TCP protocol. (see [below for nested schema](#nestedatt--listeners--tcp))
+- `udp` (Attributes) Options that are specific to the UDP protocol. (see [below for nested schema](#nestedatt--listeners--udp))
 
 <a id="nestedatt--listeners--server_name_indicators"></a>
 ### Nested Schema for `listeners.server_name_indicators`
@@ -66,6 +68,22 @@ Optional:
 - `name` (String) A domain name to match in order to pass TLS traffic to the target pool in the current listener
 
 
+<a id="nestedatt--listeners--tcp"></a>
+### Nested Schema for `listeners.tcp`
+
+Read-Only:
+
+- `idle_timeout` (String) Time after which an idle connection is closed. The default value is set to 5 minutes, and the maximum value is one hour.
+
+
+<a id="nestedatt--listeners--udp"></a>
+### Nested Schema for `listeners.udp`
+
+Read-Only:
+
+- `idle_timeout` (String) Time after which an idle session is closed. The default value is set to 1 minute, and the maximum value is 2 minutes.
+
+
 
 <a id="nestedatt--networks"></a>
 ### Nested Schema for `networks`