Update infinity example

Added

### infinity_emb

Usage via [infinity, MIT Licensed](https://github.com/michaelfeil/infinity).

```bash
docker run \
--gpus "0" -p "7997":"7997" \
michaelf34/infinity:latest \
v2 --model-id dunzhang/stella_en_400M_v5 --revision "main" --dtype bfloat16 --batch-size 16 --device cuda --engine torch --port 7997 --no-bettertransformer
```

# FAQ

README.md

@@ -5579,6 +5579,17 @@ print(similarities)
 #  [0.32818374 0.80954516]]
 ```
 
+### infinity_emb
+
+Usage via [infinity, MIT Licensed](https://github.com/michaelfeil/infinity).
+
+```bash
+docker run \
+--gpus "0" -p "7997":"7997" \
+michaelf34/infinity:latest \
+v2 --model-id dunzhang/stella_en_400M_v5 --revision "main" --dtype bfloat16 --batch-size 16 --device cuda --engine torch --port 7997 --no-bettertransformer
+```
+
 # FAQ
 
 Q: The details of training?