allow empty subheading and heading

app.py

@@ -50,8 +50,8 @@ iface = gr.Interface(
         gr.components.Textbox(placeholder="Your Brand's target audience", label="Target Audience"),
         gr.components.Textbox(placeholder="Google Font Label i.e Rubik", label="Font"),
 gr.components.Textbox(value="", label="Logo Url"),
-        gr.components.Textbox(placeholder="Heading text", label="Heading Text"),
-        gr.components.Textbox(placeholder="Paragraph text", label="Sub Heading Text"),
+        gr.components.Textbox(placeholder="Heading text (not required)", label="Heading Text"),
+        gr.components.Textbox(placeholder="Paragraph text (not required)", label="Sub Heading Text"),
         gr.components.Textbox(value="375x667", label="Image Dimension"),
         gr.components.Textbox(lines=4, placeholder="Enter your custom dall-e 2 image prompt here (not required)", value="", label="Custom Graphic Prompt")
     ],