main/*: add arch

main/a2ps/APKBUILD

main/a52dec/APKBUILD

main/abiword/APKBUILD

main/abuild/APKBUILD

main/acct/APKBUILD

main/acf-alpine-baselayout/APKBUILD

main/acf-alpine-conf/APKBUILD

main/acf-amavisd-new/APKBUILD

main/acf-apk-tools/APKBUILD

main/acf-asterisk/APKBUILD

main/acf-chrony/APKBUILD

main/acf-clamav/APKBUILD

main/acf-clamsmtp/APKBUILD

main/acf-core/APKBUILD

main/acf-dansguardian/APKBUILD

main/acf-dhcp/APKBUILD

main/acf-dnscache/APKBUILD

main/acf-dnsmasq/APKBUILD

main/acf-dovecot/APKBUILD

main/acf-fetchmail/APKBUILD