Add title and instruction

app.py

@@ -149,6 +149,23 @@ if __name__ == "__main__":
         )
 
     with gr.Blocks(theme=gr.themes.Soft()) as demo:
+        gr.Markdown("""# DanTagGen beta DEMO
+#### What is this:
+DanTagGen(Danbooru Tag Generator) is a LLM model designed for generating Danboou Tags with provided informations.
+It aims to provide user a more convinient way to make prompts for Text2Image model which is trained on Danbooru datasets.
+
+#### How to use it:
+1. Fill the informations on the left most section.
+2. Add the general tags you want to use. ("prompt before refined")
+3. If you want to ban some tags. Put them into the "black list" text area.
+4. Choose the target length: **Long or Short is recommended**
+    * Very Short: around 10 tags
+    * Short: around 20 tags
+    * Long: around 40 tags
+    * very long: around 60 tags
+5. Submit!!
+6. You will get formated result on the upper-right section, LLM raw result on the bottom-right section.
+""")
         with gr.Row():
             with gr.Column(scale=4):
                 with gr.Row():