decide if we need wasmtime_linker_module

[plicease]

/**
 * \brief Defines automatic instantiations of a #wasm_module_t in this linker.
 *
 * \param linker the linker the module is being added to
 * \param name the name of the module within the linker
 * \param module the module that's being instantiated
 *
 * \return An error if the module could not be instantiated or added or `NULL`
 * on success.
 *
 * This function automatically handles [Commands and
 * Reactors](https://github.com/WebAssembly/WASI/blob/master/design/application-abi.md#current-unstable-abi)
 * instantiation and initialization.
 *
 * For more information see the [Rust
 * documentation](https://bytecodealliance.github.io/wasmtime/api/wasmtime/struct.Linker.html#method.module).
 */
WASM_API_EXTERN own wasmtime_error_t* wasmtime_linker_module(
    const wasmtime_linker_t *linker,
    const wasm_name_t *name,
    const wasm_module_t *module
);