[Doc] Rename offline inference examples (#11927)

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

examples/offline_inference/classification.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="classify" for classification models
+model = LLM(
+    model="jason9693/Qwen2.5-1.5B-apeach",
+    task="classify",
+    enforce_eager=True,
+)
+
+# Generate logits. The output is a list of ClassificationRequestOutputs.
+outputs = model.classify(prompts)
+
+# Print the outputs.
+for prompt, output in zip(prompts, outputs):
+    probs = output.outputs.probs
+    probs_trimmed = ((str(probs[:16])[:-1] +
+                      ", ...]") if len(probs) > 16 else probs)
+    print(f"Prompt: {prompt!r} | "
+          f"Class Probabilities: {probs_trimmed} (size={len(probs)})")