Add CFG to llamacpp_HF (second attempt) (#3678)

modules/loaders.py

@@ -95,6 +95,7 @@ loaders_and_params = OrderedDict({
         'alpha_value',
         'compress_pos_emb',
         'cpu',
+        'cfg_cache',
         'llamacpp_HF_info',
     ],
     'ctransformers': [
@@ -268,6 +269,8 @@ loaders_samplers = {
         'mirostat_mode',
         'mirostat_tau',
         'mirostat_eta',
+        'guidance_scale',
+        'negative_prompt',
         'ban_eos_token',
         'add_bos_token',
         'skip_special_tokens',