[ENHANCEMENT] Add support for iosxr_snmp_server_vrf_host (#125)

* Implemented: [ENHANCEMENT] Add support for iosxr_snmp_server_vrf_host

* Added missing fields.

* - correct locals/defaults reference
- add default values

* consolidate to snmp_server

* fixes

* refactor

* trigger workfllow

trigger workfllow

---------

Co-authored-by: rpatraga <rpatraga@cisco.com>
Co-authored-by: rocrowe <rocrowe@cisco.com>

Author: 3 people

README.md

@@ -188,6 +188,7 @@ module "iosxr" {
 | [iosxr_service_timestamps.service_timestamps](https://registry.terraform.io/providers/CiscoDevNet/iosxr/0.7.1/docs/resources/service_timestamps) | resource |
 | [iosxr_snmp_server.snmp_server](https://registry.terraform.io/providers/CiscoDevNet/iosxr/0.7.1/docs/resources/snmp_server) | resource |
 | [iosxr_snmp_server_mib.snmp_server_mib](https://registry.terraform.io/providers/CiscoDevNet/iosxr/0.7.1/docs/resources/snmp_server_mib) | resource |
+| [iosxr_snmp_server_vrf.snmp_server_vrf](https://registry.terraform.io/providers/CiscoDevNet/iosxr/0.7.1/docs/resources/snmp_server_vrf) | resource |
 | [iosxr_ssh.ssh](https://registry.terraform.io/providers/CiscoDevNet/iosxr/0.7.1/docs/resources/ssh) | resource |
 | [iosxr_tacacs_server.tacacs_server](https://registry.terraform.io/providers/CiscoDevNet/iosxr/0.7.1/docs/resources/tacacs_server) | resource |
 | [iosxr_tag_set.tag_set](https://registry.terraform.io/providers/CiscoDevNet/iosxr/0.7.1/docs/resources/tag_set) | resource |