module::create missing when only including runtime_api.hpp

[eyalroz]

Unfortunately, it seems we need module::create even which only using the runtime-API-originating headers:

In file included from src/cuda/api/multi_wrapper_impls/device.hpp:21,
                 from src/cuda/runtime_api.hpp:45,
                 from examples/other/runtime_api_header_collection.cpp:1:
src/cuda/api/multi_wrapper_impls/../module.hpp:245:10: error: ‘cuda::module_t cuda::module::detail_::create(const cuda::context_t&, const void*, Creator) [with Creator = cuda::module::detail_::create(const cuda::context_t&, const void*, const cuda::link::options_t&)::<lambda(CUmod_st*&, const void*)>]’, declared using local type ‘cuda::module::detail_::create(const cuda::context_t&, const void*, const cuda::link::options_t&)::<lambda(CUmod_st*&, const void*)>’, is used but never defined [-fpermissive]
  245 | module_t create(const context_t& context, const void* module_data, Creator creator_function);
      |          ^~~~~~
src/cuda/api/multi_wrapper_impls/../module.hpp:245:10: error: ‘cuda::module_t cuda::module::detail_::create(const cuda::context_t&, const void*, Creator) [with Creator = cuda::module::detail_::create(const cuda::context_t&, const void*)::<lambda(CUmod_st*&, const void*)>]’, declared using local type ‘cuda::module::detail_::create(const cuda::context_t&, const void*)::<lambda(CUmod_st*&, const void*)>’, is used but never defined [-fpermissive]
make[3]: *** [examples/CMakeFiles/runtime_api_header_collection.dir/build.make:76: examples/CMakeFiles/runtime_api_header_collection.dir/other/runtime_api_header_collection.cpp.o] Error 1

Let's do something about that - either move the use elsewhere, or add the header implementing the function... :-(