Consistent formatting for mobile wallet page

Update dependencies, build etc.

update mobile wallet docs

Remove outdated reference to revocations.

Fix internal broken links.

Update/remove outdated external links.

ci: Update build tools etc.

Replace broken links.

docker: Add -y to apt install.

Update CSPP instructions for DCR 2.0+

fix thedecreddigest links

Update copyright year to 2024.

Update mkdocs-material to 9.5.21.

Update mkdocs-material to 9.5.3.

Add link to vspd docs.