How to use 3rd Party Shader with LWRP / URP

I have converted my project to use Lightweight Render Pipeline, all materials get converted to use LWRP but materials that support 3rd party shaders, for those what I require to do?

For example, Water Wiggle shader that I have used in my project.

So how to convert this shader into LWRP? or how can I use it in the original form?

Currently, it becomes pink as you see in the above image.

I have not done this myself and i am not a shader programmer, but i found

As it says, you will have to convert the shader, as the old render pipeline is incompatible with the new ones.