A Simple site wrapper custom viz that allows you to insert any web page (or app) into power bi.
Need to setup pbiviz -> https://docs.microsoft.com/en-us/power-bi/developer/visuals/environment-setup?tabs=windows
then run
pbiviz start
Run:
pbiviz package
The custom viz will be in the dist
folder. You can then import the custom visual into power bi using that file