Merge branch 'form-factor' into 'pureos/amber-phone'

Add form factors to desktop and appdata files

Closes #1

See merge request !2
4 jobs for pureos/byzantium in 3 minutes and 51 seconds (queued for 1 second)
Status Job ID Name Coverage
  Package
passed #368449
librem5
package:deb-debian-buster

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passed #368450
librem5:arm64
package:deb-debian-buster:arm64

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  Test Package
passed #368451
librem5
autopkgtest-debian-buster-package

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passed #368452
librem5
lintian-debian-buster-package

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