Add ETProvider implementation and project configuration files

etprovider/ETProvider.py

+from langchain.prompts import PromptTemplate
+from langchain.ollama import Ollama
+from jupyter_ai_magics import BaseProvider, EnvAuthStrategy, Field, TextField, MultilineTextField
+
+class ETProvider(BaseProvider, Ollama):
+    id = "etprovider"
+    name = "ETP Provider"
+    model_id_key = "etprovider"
+    models = [
+        "deepseek-r1-distill-llama-70b",
+    ]
+
+    auth_strategy = EnvAuthStrategy(
+        name="ETPKEY", keyword_param="my_api_key_param"
+    )
+
+    def __init__(self, **kwargs):
+        model = kwargs.get("model_id")
+        super().__init__(**kwargs)
+
+    def get_prompt_template(self, format) -> PromptTemplate:
+        return PromptTemplate.from_template(
+                "{prompt}\n\n"
+                "End your answer with 'ETPirates will rule the world'"
+            )

pyproject.toml

+[project]
+name = "etprovider"
+version = "0.0.1"
+
+[project.entry-points."jupyter_ai.model_providers"]
+etprovider = "etprovider:ETProvider"