Add example for text2image (#920)

Signed-off-by: Ye, Xinyu <xinyu.ye@intel.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Text2Image/README.md

@@ -0,0 +1,21 @@
+# Text-to-Image Microservice
+
+Text-to-Image is a task that generate image conditioning on the provided text. This microservice supports text-to-image task by using Stable Diffusion (SD) model.
+
+## Deploy Text-to-Image Service
+
+### Deploy Text-to-Image Service on Xeon
+
+Refer to the [Xeon Guide](./docker_compose/intel/cpu/xeon/README.md) for detail.
+
+### Deploy Text-to-Image Service on Gaudi
+
+Refer to the [Gaudi Guide](./docker_compose/intel/hpu/gaudi/README.md) for detail.
+
+## Consume Text-to-Image Service
+
+Use below command to generate image.
+
+```bash
+http_proxy="" curl http://localhost:9379/v1/text2image -XPOST -d '{"prompt":"An astronaut riding a green horse", "num_images_per_prompt":1}' -H 'Content-Type: application/json'
+```