How to add dash assets (i.e., file_dash.mpd, file_1.m4s, and file_init.mp4) to be included in a nuxt app?

Question

I have a question: how to add dash assets (i.e., file_dash.mpd, file_1.m4s, and file_init.mp4) to be included?

Problem: I get HTTP 404 file not found errors now (see