Add userlists-checker

userlist-checker/.gitignore

userlist-checker/README.md

userlist-checker/check.sh

...5/0001-Add-usign-argument-to-set-path-to-usign-tool.patch

...42bf8ff23fda88d1d5dade690d5/0002-Fix-usign-argument.patch

...1d5dade690d5/0003-Add-no-replan-option-to-pkgupdate.patch

...e0977e42bf8ff23fda88d1d5dade690d5/0004-Fix-luacheck.patch

...ff23fda88d1d5dade690d5/0005-Reintroduce-updater-key.patch

userlist-checker/patch-v58.4.3

...atch-v58.4.4/0001-Add-no-replan-option-to-pkgupdate.patch

...-checker/patch-v58.4.4/0002-Reintroduce-updater-key.patch

userlist-checker/updater-medkit.sh