Add support for stream parameter. Closes #1

examples/high_level_api_streaming.py

@@ -0,0 +1,20 @@
+import json
+import argparse
+
+from llama_cpp import Llama
+
+parser = argparse.ArgumentParser()
+parser.add_argument("-m", "--model", type=str, default=".//models/...")
+args = parser.parse_args()
+
+llm = Llama(model_path=args.model)
+
+stream = llm(
+    "Question: What are the names of the planets in the solar system? Answer: ",
+    max_tokens=48,
+    stop=["Q:", "\n"],
+    stream=True,
+)
+
+for output in stream:
+    print(json.dumps(output, indent=2))