Create a new firewall rule

curl --request POST \
  --url https://api.ubicloud.com/project/{project_id}/firewall/{firewall_name}/firewall-rule \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "cidr": "<string>",
  "firewall_id": "<string>",
  "port_range": "<string>",
  "project_id": "<string>"
}'

{
  "cidr": "<string>",
  "id": "fraz0q3vbrpa7pkg7zbmah9csn",
  "port_range": "<string>"
}