[skip ci] Add more details to README

README.md

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 # Proxmox Edge kernels
 Custom Linux kernels for Promox VE 6.
+
+#### Versions
+1. Linux 5.6
+2. Linux 5.7
+3. Linux 5.8
+
+#### Flavors
+1. Proxmox
+2. Clear Linux
+
+#### Microarchitectures
+1. Generic
+2. Zen 2
+3. Cascade Lake
+
+## Installation
+Select from the [Releases](https://github.com/fabianishere/pve-edge-kernel/releases) page the kernel version 
+you want to install and download the appropriate deb package. Then, you can install the package as follows:
+
+```sh
+apt install ./pve-edge-kernel-VERSION-MARCH_VERSION_amd64.deb
+```
+
+## AppArmor issues
+When using these kernels, Proxmox's AppArmor profiles may fail to load since it uses an older AppArmor feature set
+which is not supported by these kernels anymore. This issue also appears when launching LXC containers.
+To fix this, tell AppArmor to use the stock features file as opposed to Proxmox's features file, which is done
+by updating `/etc/apparmor.d/parser.conf` as follows:
+
+```
+## Pin feature set (avoid regressions when policy is lagging behind
+## the kernel)
+# lxc-pve diverts to old feature file that is incompatible with kernel
+# features-file=/usr/share/apparmor-features/features
+features-file=/usr/share/apparmor-features/features.stock
+```
+
+## Questions
+If you have any questions or want to see additional versions, flavors or micro architectures being built, feel
+free to open an issue on Github.