message: doc(runtime-c-api) Improve documentation of `wasmer_limit_option_t`.
diff: @@ -131,9 +131,14 @@ pub struct wasmer_limits_t {
  pub max: wasmer_limit_option_t,
  }
  +/// The `wasmer_limit_option_t` struct repreesents an optional limit
  +/// for `wasmer_limits_t`.
  #[repr(C)]
  pub struct wasmer_limit_option_t {
  + /// Whether the limit is set.
  pub has_some: bool,
  +
  + /// The limit value.
  pub some: u32,
  }
  