RWKV-5 model cannot be used

[YuChuXi]

An error occurred while using model

Model parameter blocks.0.att.time_first not found
/media/yuchuxi/Project/MoZi_PT/rwkv.cpp/rwkv_model_loading.inc:148: tensor

/media/yuchuxi/Project/MoZi_PT/rwkv.cpp/rwkv_model_loading.inc:92: callback((strcpy(&buffer[offset], "att.time_first"), buffer), layer.att_time_first)

/media/yuchuxi/Project/MoZi_PT/rwkv.cpp/rwkv_model_loading.inc:146: rwkv_set_params(model, [&](const char * key, struct ggml_tensor *& dest) { struct ggml_tensor * tensor = parameters_ref[key]; do { if (!(tensor)) { do { if (global_print_errors) fprintf(stderr, "Model parameter %s not found", key); } while (0); do { if (global_print_errors) fprintf(stderr, "\n%s:%d: %s\n", "/media/yuchuxi/Project/MoZi_PT/rwkv.cpp/rwkv_model_loading.inc", 148, "tensor"); } while (0); ; return false; } } while (0); dest = tensor; return true; })

/media/yuchuxi/Project/MoZi_PT/rwkv.cpp/rwkv.cpp:61: rwkv_load_model_from_file(file_path, *ctx->model)
Traceback (most recent call last):
  File "/media/yuchuxi/Database/MoZi/RWKV/app.py", line 12, in <module>
    from chat_with_bot import ChatRWKV
  File "/media/yuchuxi/Database/MoZi/RWKV/chat_with_bot.py", line 67, in <module>
    model = rwkv_cpp_model.RWKVModel(library, model_path)
  File "/media/yuchuxi/Database/MoZi/RWKV/rwkv_cpp/rwkv_cpp_model.py", line 61, in __init__
    self._ctx: rwkv_cpp_shared_library.RWKVContext = self._library.rwkv_init_from_file(model_path, thread_count)
  File "/media/yuchuxi/Database/MoZi/RWKV/rwkv_cpp/rwkv_cpp_shared_library.py", line 121, in rwkv_init_from_file
    assert ptr is not None, 'rwkv_init_from_file failed, check stderr'
AssertionError: rwkv_init_from_file failed, check stderr

[saharNooby]

Hi! Duplicates #138

[saharNooby]

Let's track v5 support in #143