Merge branch 'main' into 'main'

src/SUMMARY.md

src/cu

src/curs

src/curs4/curs.md

src/curs8/curs.md

src/curs8/img/buff.png

src/curs8/img/fs.png

src/curs8/img/grafic.png

src/curs8/img/no_buff.png

src/curs8/img/transport.png

src/curs8/sim/global.js

src/curs8/sim/index.html

src/curs8/sim/jquery-1.7.1.min.js

src/curs8/sim/jquery-ui-1.8.18.custom.css

src/curs8/sim/jquery-ui-1.8.18.custom.min.js

src/curs8/sim/jquery.pause.min.js

src/curs8/sim/modernizr.js

src/curs8/sim/style.css