make clean html
python3 .m http.server -d ./build/html
See the file source/conf.py. Uncomment the line about the announcement
html_theme_options = {
"use_sidenotes": True,
"repository_url": "https://github.com/fchauvel/ntnu-idata2302-website",
"path_to_docs": "source",
"use_edit_page_button": True,
"navbar_end": ["logo.html"],
# "announcement": "<p class='news'>Hi there! What do you think of this course, so far? Please, give us <a href='https://docs.google.com/forms/d/e/1FAIpQLSdUWRWrbTWcRPWzu3ytqgJaEAe-pJNcyhB1gVyM9s0DoSaz_A/viewform?usp=sf_link' target='_blank'>feedback</a>!</p>"
}