Add network physical view

docs/network.adoc

@@ -0,0 +1,49 @@
+== Network
+
+This document provides an overview over the qo.is network structure.
+
+=== Physical View
+
+[plantuml, network, svg]
+----
+skinparam style strictuml
+left to right direction
+
+package "Location: Chur" {
+
+  entity mediaconvchur [
+    Media
+    Converter
+    (Passive)
+  ]
+
+  node calanda 
+  node montalin
+  
+  cloud lanchur [
+    <i>LAN Chur
+  ]
+  
+  mediaconvchur - "enp4" calanda
+  calanda "br0 (enp2, wlp1, wlp5)" --- lanchur
+  calanda "enp4" -- "eno1" montalin
+} 
+
+package "Location: Rapperswil" {
+  node bachtel
+  
+  cloud lanrapperswil [
+    <i>LAN Rapperswil
+  ]
+  
+  bachtel "enp0-4" -- lanrapperswil
+}
+
+cloud internet[
+<b>@
+]
+
+internet .. mediaconvchur: INIT7 Fiber
+internet ~~ "wwp0s19" bachtel: Swisscom LTE
+----
+