docs: set user expectations

added usability label

changed milestone to %5.1.0

added 13 commits

• 37d7994e...2d315d33 - 9 commits from branch master
• bd821d45 - daemon: warn that non-Linux platforms are untested
• 430a7740 - docs: add warning about DoT properties
• 06b1069d - docs: add warning about DoH properties
• b4bc3cb1 - docs: ask for feedback around policies

Compare with previous version

added 14 commits

• b4bc3cb1...b6372cce - 10 commits from branch master
• 392515c6 - daemon: warn that non-Linux platforms are untested
• edf42e89 - docs: add warning about DoT properties
• ae93447f - docs: add warning about DoH properties
• 4069c7c5 - docs: ask for feedback around policies

Compare with previous version

merged

mentioned in commit e9b9bac4