This may not directly answer your question or need for a tutorial on HTML Overlay…
Create a separate video track (the top most) for your logo.
Open File and bring in the SVG as you would a JPG or a PNG.
Drag source to the new video track.
Use the filter Size & Position to put the SVG where you want it.
With the Size & Position filter, you can use Keyframes on the Position.
Here is a video on Keyframes.
If you’re intending on uploading to YouTube, you can add a watermark.
Go to Creator Studio, Channel, Branding.
Here are some recent posts dealing with Keyframes that you might want to go through.
For WebVfx HTML Overlay a lot of work has been done in this category, and here are some posts:
