Add README.md with a draft description

Author: herrnst

README.md

@@ -0,0 +1,17 @@
+# archpkg
+PKGBUILDs and a package repository for Archlinux (x86_64 and aarch64)
+
+Few PKGBUILDs with the main intent to provide a PKGBUILD for `linux-aarch64-rpi`, a kernel package for generic Archlinux ARM aarch64 installs with all drivers and additions from the raspberrypi-linux kernel tree, based on the official `linux-aarch64` and `linux-rpi` packages.
+
+Binary packages (x86_64, aarch64) plus repository metadata are provided aswell, containing a few more packages built from official AUR (for easier installation and to save build time).
+
+## How to install and use the repository
+
+Note: Neither the packages nor the repository are signed!
+
+Add to /etc/pacman.conf:
+```
+[herrnst-archpkg]
+SigLevel = Optional TrustAll
+Server = https://raw.githubusercontent.com/herrnst/archpkg/master/packages/$arch/
+```