Hugo doesn't add the base url to the images

hey everyone, Im new here.
Im making a site with hugo and Im trying to add images to my posts.
I add the image3.png to the static folder and in the post markdown I add ![image](/image3.png)and I have the site hosted on github pages, so the base url in the hugo.yaml file is set to https://mohammad9760 .github.io/example

but when I build the site and push it to github the hosted page doesnt show the image and when inspecting the page in the browser I can see that the image is linking to /image3.png and doesnt have the base url added to it.
any ideas what Im doing wrong?

https://discourse.gohugo.io/t/markdown-images-get-wrong-url/51033/3