add new rpc host whitelist settings to template

transmission/settings.tmpl

@@ -46,6 +46,8 @@
     "rpc-authentication-required": {{ .Env.TRANSMISSION_RPC_AUTHENTICATION_REQUIRED }},
     "rpc-bind-address": "{{ .Env.TRANSMISSION_RPC_BIND_ADDRESS }}",
     "rpc-enabled": {{ .Env.TRANSMISSION_RPC_ENABLED }},
+    "rpc-host-whitelist" : {{ .Env.RPC_HOST_WHITELIST }},
+    "rpc-host-whitelist-enabled" : {{ .Env.RPC_HOST_WHITELIST_ENABLED }},
     "rpc-password": "{{ .Env.TRANSMISSION_RPC_PASSWORD }}",
     "rpc-port": {{ .Env.TRANSMISSION_RPC_PORT }},
     "rpc-url": "{{ .Env.TRANSMISSION_RPC_URL }}",