Add instruct/context for Gemma 2 (#2477)

* Add instruct/context for Gemma 2

* Add Gemma 2 Roleplay variation

* Revert "Add Gemma 2 Roleplay variation"

This reverts commit d1473e18a1.

default/content/index.json

@@ -678,5 +678,13 @@
     {
         "filename": "presets/context/ChatML-Names.json",
         "type": "context"
+    },
+    {
+        "filename": "presets/context/Gemma 2.json",
+        "type": "context"
+    },
+    {
+        "filename": "presets/instruct/Gemma 2.json",
+        "type": "instruct"
     }
 ]

default/content/presets/context/Gemma 2.json

@@ -0,0 +1,12 @@
+{
+    "story_string": "<start_of_turn>user\n{{#if system}}{{system}}\n{{/if}}{{#if wiBefore}}{{wiBefore}}\n{{/if}}{{#if description}}{{description}}\n{{/if}}{{#if personality}}{{char}}'s personality: {{personality}}\n{{/if}}{{#if scenario}}Scenario: {{scenario}}\n{{/if}}{{#if wiAfter}}{{wiAfter}}\n{{/if}}{{#if persona}}{{persona}}\n{{/if}}{{trim}}<end_of_turn>",
+    "example_separator": "",
+    "chat_start": "",
+    "use_stop_strings": false,
+    "allow_jailbreak": false,
+    "always_force_name2": true,
+    "trim_sentences": false,
+    "include_newline": false,
+    "single_line": false,
+    "name": "Gemma 2"
+}

default/content/presets/instruct/Gemma 2.json

@@ -0,0 +1,24 @@
+{
+    "system_prompt": "Continue writing this story and portray characters realistically.",
+    "input_sequence": "<start_of_turn>user",
+    "output_sequence": "<start_of_turn>model",
+    "last_output_sequence": "",
+    "system_sequence": "<start_of_turn>system",
+    "stop_sequence": "<end_of_turn>",
+    "wrap": true,
+    "macro": true,
+    "names": false,
+    "names_force_groups": false,
+    "activation_regex": "",
+    "system_sequence_prefix": "",
+    "system_sequence_suffix": "",
+    "first_output_sequence": "",
+    "skip_examples": false,
+    "output_suffix": "<end_of_turn>\n",
+    "input_suffix": "<end_of_turn>\n",
+    "system_suffix": "<end_of_turn>\n",
+    "user_alignment_message": "",
+    "system_same_as_user": true,
+    "last_system_sequence": "",
+    "name": "Gemma 2"
+}