22 add wekan recipe (#8)

* Add Wekan recipe

docs/reference/git-docker.md

@@ -0,0 +1,29 @@
+# Introduction
+
+Our HA platform design relies on Atomic OS, which only contains bare minimum elements to run containers.
+
+So how can we use git on this system, to push/pull the changes we make to config files?
+
+docker run -v /var/data/git-docker/data:/root funkypenguin/git-docker ssh-keygen -t ed25519 -f /root/.ssh/id_ed25519
+Generating public/private ed25519 key pair.
+Enter passphrase (empty for no passphrase): Enter same passphrase again: Created directory '/root/.ssh'.
+Your identification has been saved in /root/.ssh/id_ed25519.
+Your public key has been saved in /root/.ssh/id_ed25519.pub.
+The key fingerprint is:
+SHA256:uZtriS7ypx7Q4kr+w++nHhHpcRfpf5MhxP3Wpx3H3hk root@a230749d8d8a
+The key's randomart image is:
++--[ED25519 256]--+
+|         .o .    |
+|      .  ..o .   |
+|     + ....   ...|
+|   .. + .o . . E=|
+|  o .o  S . . ++B|
+| . o  .  . . +..+|
+| .o .. ...  . .  |
+|o..o..+.oo       |
+|...=OX+.+.       |
++----[SHA256]-----+
+[root@ds3 data]#
+
+
+alias git='docker run -v $PWD:/var/data -v /var/data/git-docker/data:/root funkypenguin/git-docker git'