My Kindle Clippings is not something I built but I enjoy using it. It is easy to use. Since you have to add yours to your Workspace, I did not add it here. However, I will try to my best to express it well.
KindleToNotion: How To Guide(Easy)
After getting it do not move it to sub pages, otherwise it will not work. Then, you can replace this page by linking your Kindle Clippings page.
Image 1: My Kindle Clippings
Image 2: How to unlock page
Since the template will be on locked page where it can be unlocked from shown in image 2.