added duplicate button

app.py

@@ -227,6 +227,12 @@ with gr.Blocks(theme='sudeepshouche/minimalist', title="Global Dataset Maker") a
     gr.HTML(
         "<h1> Welcome to the GDMGS! (GlobalDatasetMaker Gradio Space) </h1>"
     )
+    gr.Markdown("## Duplicate this space if you want to make your own changes!")
+    gr.HTML(
+        """<p style="margin:5px auto;display: flex;justify-content: left;">
+            <a href="https://huggingface.co/spaces/Kryptone/GDMGS?duplicate=true"><img src="https://huggingface.co/datasets/huggingface/badges/resolve/main/duplicate-this-space-lg.svg" alt="Duplicate this Space"></a>
+        </p>"""
+    )
     gr.Markdown(
         "This Space will create a dataset for you, all automatically. **Please be warned that due to not having a GPU on this Space, some steps might take longer to complete.**"
     )