feat(vpn-gateway): Update docs

Author: keerthi-gp

website/docs/d/is_vpn_gateway_connection.html.markdown

@@ -128,7 +128,6 @@ In addition to all argument references listed, you can access the following attr
 
 - `tunnels` - (List) The VPN tunnel configuration for this VPN gateway connection (in static route mode).
   Nested scheme for **tunnels**:
-    - `address` - (String) 
 	- `neighbor_ip` - (String) The IP address of the neighbor on the virtual tunnel interface.
 	- `protocol_state` -  (String) BGP routing protocol state.
 	- `public_ip_address` - (String) The IP address of the VPN gateway member in which the tunnel resides. This property may add support for IPv6 addresses in the future. When processing a value in this property, verify that the address is in an expected format. If it is not, log an error. Optionally halt processing and surface the error, or bypass the resource on which the unexpected IP address format was encountered.

website/docs/d/is_vpn_gateway_connections.html.markdown

@@ -76,7 +76,6 @@ In addition to all argument reference list, you can access the following attribu
 - `tunnels` - (List) The VPN tunnel configuration for the VPN gateway connection (in static route mode).
 
   Nested scheme for `tunnels`:
-  	- `address` - (String) 
 	- `neighbor_ip` - (String) The IP address of the neighbor on the virtual tunnel interface.
 	- `protocol_state` -  (String) BGP routing protocol state.
 	- `status` - (String) The status of the VPN tunnel.

website/docs/d/is_vpn_gateway_service_connection.html.markdown

@@ -15,11 +15,11 @@ Provides a read-only data source for VPN gateway service Connection. You can the
 ```hcl
 data "ibm_is_vpn_gateway_service_connection" "example" {
   vpn_gateway = ibm_is_vpn_gateway.example.id
-  vpn_gateway_connection = ibm_is_vpn_gateway_connection.example.gateway_connection
+  vpn_gateway_service_connection = "3066f374-97f7-4138-b59d-20a8414f49a8"
 }
 data "ibm_is_vpn_gateway_service_connection" "example-1" {
   vpn_gateway_name = ibm_is_vpn_gateway.example.name
-  vpn_gateway_connection = ibm_is_vpn_gateway_connection.example.gateway_connection
+  vpn_gateway_service_connection = "3066f374-97f7-4138-b59d-20a8414f49a8"
 }
 ```
 
@@ -29,7 +29,7 @@ Review the argument reference that you can specify for your data source.
 
 - `vpn_gateway` - (Optional, String) The VPN gateway identifier.
 - `vpn_gateway_name` - (Optional, String) The VPN gateway name.
-- `vpn_gateway_connection` - (Required, String) The VPN gateway connection identifier.
+- `vpn_gateway_service_connection` - (Required, String) The VPN gateway service connection identifier.
 
   ~> **Note** Provide either one of `vpn_gateway`, `vpn_gateway_name` to identifiy vpn gateway.
 

website/docs/r/is_vpn_gateway_connection.html.markdown

@@ -186,7 +186,7 @@ Review the argument references that you can specify for your resource.
 - `tunnel` - (Optional, List) 
   Nested schema for **tunnel**:
   - `neighbor_ip` - (Required, String) 	The IP address of the neighbor on the virtual tunnel interface.
-	- `tunnel_interface_ip` - (Required, String) he IP address of the virtual tunnel interface.
+  - `tunnel_interface_ip` - (Required, String) The IP address of the virtual tunnel interface.
 - `vpn_gateway` - (Required, Forces new resource, String) The unique identifier of the VPN gateway.
 
 ## Attribute reference