feat: Create llama3.yml presets for llama3 family (#862)

Author: Van-QA

cortex-js/presets/alpaca.yml

@@ -0,0 +1,16 @@
+version: 1.0
+# Model Settings
+prompt_template: |+
+  {system_message}
+  ### Instruction: {prompt}
+  ### Response:
+ctx_len: 2048
+
+# Results Preferences
+stop:
+  - </s>
+temperature: 0.7
+top_p: 0.95
+max_tokens: 2048
+frequency_penalty: 0
+presence_penalty: 0

cortex-js/presets/chatml.yml

@@ -0,0 +1,18 @@
+version: 1.0
+# Model Settings
+prompt_template: |+
+  <|im_start|>system
+  {system_message}<|im_end|>
+  <|im_start|>user
+  {prompt}<|im_end|>
+  <|im_start|>assistant
+ctx_len: 2048
+
+# Results Preferences
+stop:
+  - <|im_end|>
+temperature: 0.7
+top_p: 0.95
+max_tokens: 2048
+frequency_penalty: 0
+presence_penalty: 0

cortex-js/presets/llama3.yml

@@ -0,0 +1,19 @@
+version: 1.0
+# Model Settings
+prompt_template: |+
+  <|begin_of_text|><|start_header_id|>system<|end_header_id|>
+
+  {system_message}<|eot_id|><|start_header_id|>user<|end_header_id|>
+
+  {prompt}<|eot_id|><|start_header_id|>assistant<|end_header_id|>
+ctx_len: 2048
+
+# Results Preferences
+stop:
+  - <|eot_id|>
+  - <|<|end_header_id|>|>
+temperature: 0.7
+top_p: 0.95
+max_tokens: 2048
+frequency_penalty: 0
+presence_penalty: 0

cortex-js/presets/vicuna.yml

@@ -0,0 +1,20 @@
+version: 1.0
+# Model Settings
+prompt_template: |-
+  <｜begin_of_sentence｜>{system_prompt}
+  
+  User: {prompt}
+  
+  Assistant:
+  
+ctx_len: 2048
+
+# Results Preferences
+stop:
+  - </s>
+  - end_of_sentence
+temperature: 0.7
+top_p: 0.95
+max_tokens: 2048
+frequency_penalty: 0
+presence_penalty: 0