release initial code

Co-authored-by: Ying Sheng <sqy1415@gmail.com>
Co-authored-by: Liangsheng Yin <hnyls2002@gmail.com>
Co-authored-by: Zhiqiang Xie <xiezhq@stanford.edu>
Co-authored-by: parasol-aser <3848358+parasol-aser@users.noreply.github.com>
Co-authored-by: LiviaSun <33578456+ChuyueSun@users.noreply.github.com>
Co-authored-by: Cody Yu <hao.yu.cody@gmail.com>

examples/quick_start/srt_example_complete.py

@@ -0,0 +1,28 @@
+from sglang import function, gen, set_default_backend, Runtime
+
+
+@function
+def few_shot_qa(s, question):
+    s += (
+"""The following are questions with answers.
+Q: What is the capital of France?
+A: Paris
+Q: What is the capital of Germany?
+A: Berlin
+Q: What is the capital of Italy?
+A: Rome
+""")
+    s += "Q: " + question + "\n"
+    s += "A:" + gen("answer", stop="\n", temperature=0)
+
+
+runtime = Runtime(model_path="meta-llama/Llama-2-7b-chat-hf")
+set_default_backend(runtime)
+
+state = few_shot_qa.run(question="What is the capital of the United States?")
+
+answer = state["answer"].strip().lower()
+assert "washington" in answer, f"answer: {state['answer']}"
+print(state.text())
+
+runtime.shutdown()