topic: add the changelog argument to branchinfo() 47c03042cd1d in core added a changelog argument to revbranchcache.branchinfo() and we wrap that function in topic extension. So let's add this optional argument in topic extension too.

mkdir -p html

cp index.html html/
cp *.css html/
cp *.js html/
cp -R img html/
cp -R graphviz-images/ html/

netlify deploy