Reduce logo size

[llrs-roche]

What happened?

As part of #87 the task is to reduce the logo size for all packages.

Thanks to @gogonzo that pointed me to https://github.com/insightsengineering/hex-stickers we can replace .png by the svg or the smallest logo.

According to a search there are ~30-40 logos but on the repository linked above it shows less logos (or it might show these logos as results)...

For formatters and rtables I've used: https://compresspng.com/ and https://www.iloveimg.com/compress-image/compress-png to reduce from ~2Mb to 0.5Mb

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[llrs-roche]

Omitting some general/team logos and focusing on R-packages there are 10 that have svg (vectorized format of smaller size than png). Marked are those with PR merged to update the files and materials that use it (README.Rmd, vignettes, pkgdown, ...)

• chevron: Replace logo.png by logo.svg chevron#800 Rename logo file chevron#801
• formatters: Replace logo.png by logo.svg formatters#330
• mmrm
• rlistings: Replace logo.png by logo.svg rlistings#239 Replace old logo by new one rlistings#240
• rtables: Replace logo.png by logo.svg rtables#978 Rename logo to be displayed rtables#979
• sasr
• scda
• teal: Replace logo.png by logo.svg teal#1431

The following packages would need updates to svg format (the same as above) and add them to hex-stickers repository but with all the formats (checked are PR to have the svg logo on the package and PR to the hex-sticker repo to add the different formats):

• ggplot2.utils Use svg logo ggplot2.utils#96
• simIDM Use svg logo simIDM#113
• helios https://github.com/insightsengineering/helios/pull/662
• cards Replace logo.png by logo.svg cards#367
• bonsaiforest Use svg logo instead of png bonsaiforest#88
• rbmi
• cardx Replace logo.png by logo.svg cardx#249
• hermes
• rtables.officer Uses the same logo as rtables ...

In total ~20 packages