feat: update README with demo link and badge

Added a link to the demo text-to-image generator on Hugging Face Spaces.
Included a badge for the GitHub Actions workflow status. Also added an
image and a reference link to MLOps with Hugging Face Spaces, Gradio,
and GitHub Actions.

README.md

@@ -11,3 +11,15 @@ pinned: false
 
 # Text-to-Image Generator
 This is a Gradle-based application that uses DiffusionPipeline to generate high-quality images from text prompts. Designed to run seamlessly on Hugging Face Spaces.
+
+
+[![Sync to Hugging Face hub](https://github.com/ARG-NCTU/huggingface-text-to-image/actions/workflows/main.yml/badge.svg)](https://github.com/ARG-NCTU/huggingface-text-to-image/actions/workflows/main.yml)
+
+
+Try Demo Text To Image [Here](https://huggingface.co/spaces/argnctu/text-to-image)
+
+
+![mlops-hugging-face](https://user-images.githubusercontent.com/58792/170845235-7f00d61c-ea36-4d28-82d0-3a9b8c0f1769.png)
+
+# References
+[MLOps with Hugging Face Spaces, Gradio and Github Actions](https://github.com/nogibjj/hugging-face)