Merge pull request #2235 from freifunk-gluon/next-2102

.github/workflows/build-gluon.yml

contrib/Dockerfile

contrib/actions/install-dependencies.sh

docs/user/getting_started.rst

docs/user/supported_devices.rst

modules

package/gluon-core/luasrc/lib/gluon/upgrade/010-primary-mac

package/gluon-core/luasrc/lib/gluon/upgrade/020-interfaces

package/gluon-core/luasrc/usr/lib/lua/gluon/util.lua

...age/gluon-web/luasrc/usr/lib/lua/gluon/web/dispatcher.lua

...ode-that-will-always-allow-password-less-root-login.patch

...c-Add-support-for-custom-format-strings-for-doubles.patch

...nel-ebtables-add-support-for-ICMP-IGMP-type-matches.patch

...ROOTFS_PARTSIZE-to-make-combined-image-fit-in-128MB.patch

patches/openwrt/0007-ipq-wifi-add-BDF-for-Aruba-AP-303.patch

...s/openwrt/0008-ipq40xx-add-support-for-Aruba-AP-303.patch

...0009-ath79-enable-GL-AR750S-NOR-variant-from-master.patch

patches/openwrt/0010-tools-add-zstd.patch

...wrt/0011-build-compress-kernel-debuginfo-using-zstd.patch

...-mac80211-rt2800-enable-MFP-support-unconditionally.patch