doc: install instructions for Ubuntu 24.04 (noble) (#104)

* doc: install instructions for Ubuntu 24.04 (noble)

Some packages have been renamed and for others, you need to use the
old repositories.

* Make the remark for Ubuntu 24.04 more visible in the readme

---------

Co-authored-by: fabnemEPFL <117652591+fabnemEPFL@users.noreply.github.com>

Author: Restioson

README.md

@@ -33,6 +33,8 @@ sudo apt install -y ffmpeg libsm6 libxext6 chromium-browser libnss3 \
   libpango-1.0-0 libpangoft2-1.0-0 weasyprint
 ```
 
+:warning: **On Ubuntu 24.04, replace `libasound2` with `libasound2t64`. You may also need to add the repository for Ubuntu 20.04 focal to have access to a few of the sources (e.g. create `/etc/apt/sources.list.d/mmore.list` with the contents `deb http://cz.archive.ubuntu.com/ubuntu focal main universe`).**
+
 #### Step 1 – Install MMORE
 
 To install the package simply run: