0213 multiline string indentation

[zmstone]

now we can do this:

a {
  b {
    c = """~
      line1

      line2

      line3
    ~"""
  }
}

More practical examples:

rule_engine {
  ignore_sys_message = true
  jq_function_default_timeout = 10s
  rules {
    a_WH_D {
      actions = ["http:a_WH_D"]
      description = ""
      enable = true
      metadata {created_at = 1707562385536}
      name = ""
      sql = """~
        SELECT
          *
        FROM
          "#",
          "$events/message_delivered",
          "$events/message_acked",
          "$events/message_dropped",
          "$events/client_connected",
          "$events/client_disconnected",
          "$events/client_connack",
          "$events/client_check_authz_complete",
          "$events/session_subscribed",
          "$events/session_unsubscribed",
          "$events/delivery_dropped"~"""
    }
    rule_rc0w {
      actions = [
        {
          args {
            mqtt_properties {}
            payload = "${.}"
            qos = 0
            retain = false
            topic = "republish-event/${clientid}"
            user_properties = ""
          }
          function = republish
        },
        {function = console}
      ]
      enable = true
      metadata {created_at = 1707389712653}
      name = ""
      sql = """~
        SELECT
          *
        FROM
          "$events/client_connected",
          "$events/client_disconnected"
      ~"""
    }
    rule_xlu4 {
      actions = [
        {function = console}
      ]
      description = ""
      enable = true
      metadata {created_at = 1706611936022}
      name = ""
      sql = """~
        SELECT
          *
        FROM
          "t/#"
      ~"""
    }
  }
}