alpine repository for aprilsh

wget -P /etc/apk/keys/ https://ericwq.github.io/alpine/packager-663ebf9b.rsa.pub    # add packages public key
echo "https://ericwq.github.io/alpine/v3.19/testing" >> /etc/apk/repositories       # add testing repositories
apk update                                                                          # update repositories metadata
apk add aprilsh                                                                     # install client and server
rc-service apshd start                                                              # start server