add examples to install and use local

examples/ollama_local.py

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+# pip install synthetic-dataset-generator
+import os
+
+from synthetic_dataset_generator.app import demo
+
+assert os.getenv("HF_TOKEN")
+os.environ["BASE_URL"] = "http://127.0.0.1:11434/v1/"
+os.environ["MODEL"] = "llama3.1"
+
+demo.launch()

examples/openai_local.py

@@ -0,0 +1,11 @@
+# pip install synthetic-dataset-generator
+import os
+
+from synthetic_dataset_generator.app import demo
+
+assert os.getenv("HF_TOKEN")
+os.environ["BASE_URL"] = "https://api.openai.com/v1/"
+os.environ["API_KEY"] = os.getenv("OPENAI_API_KEY")
+os.environ["MODEL"] = "gpt-4o"
+
+demo.launch()