Extend contact info

content/contact.md

@@ -6,9 +6,34 @@ description = "contact"
 date = 2020-02-26T13:00:08+01:00
 +++
 
-Visit our matrix room at: 
-[#public:matrix.avaframe.org](https://matrix.to/#/!qmUrKSNurDoVuKAtRU:matrix.avaframe.org?via=matrix.avaframe.org)
+We are using https://element.io/ / https://matrix.org/ for our communication.
 
-If you don't have a matrix account yet, we suggest to use
-[riot.im](https://riot.im/app/#/welcome) to create an account. 
-<!-- [Foo image](/pdf/20200214_Ausschreibung_Numeriker.pdf) -->
+<!-- Visit our matrix room at:  -->
+<!-- [#public:matrix.avaframe.org](https://matrix.to/#/!qmUrKSNurDoVuKAtRU:matrix.avaframe.org?via=matrix.avaframe.org) -->
+
+### You don’t have an acocunt, go to:
+
+https://app.element.io/#/register -> Create Account
+
+You can choose between using:
+   - matrix.org, this is the default.
+   - your own or another infrastructure (universities, company, …). Setup via: Edit -> add your own homeserver.
+
+Note: It does not matter where your account originates, it works for the whole matrix environment.
+
+Once you’re done, head to the next step:
+
+### You have an element/matrix account
+
+Use a client of your choice (see below) to connect to room
+
+#public:matrix.avaframe.org
+
+You will end up in the Public room in which you can contact us. If this for some reason does not work, send your matrix address to:
+@fso:matrix.avaframe.org
+and you will be added manually.
+
+### Clients
+
+A comprehensive list of clients can be found here: https://matrix.org/clients/.
+Starting with the Element ones (Android/Web/Desktop) is a good beginners choice.