[Doc] Move examples into categories (#11840)

Signed-off-by: Harry Mellor <19981378+hmellor@users.noreply.github.com>

examples/offline_inference/offline_inference_embedding.py

@@ -0,0 +1,28 @@
+from vllm import LLM
+
+# Sample prompts.
+prompts = [
+    "Hello, my name is",
+    "The president of the United States is",
+    "The capital of France is",
+    "The future of AI is",
+]
+
+# Create an LLM.
+# You should pass task="embed" for embedding models
+model = LLM(
+    model="intfloat/e5-mistral-7b-instruct",
+    task="embed",
+    enforce_eager=True,
+)
+
+# Generate embedding. The output is a list of EmbeddingRequestOutputs.
+outputs = model.embed(prompts)
+
+# Print the outputs.
+for prompt, output in zip(prompts, outputs):
+    embeds = output.outputs.embedding
+    embeds_trimmed = ((str(embeds[:16])[:-1] +
+                       ", ...]") if len(embeds) > 16 else embeds)
+    print(f"Prompt: {prompt!r} | "
+          f"Embeddings: {embeds_trimmed} (size={len(embeds)})")