Add antora.yaml and move index.adoc to proper dir

doc/index.adoc

@@ -1,73 +0,0 @@
-# Items database
-
-An approach to implement a cmdb on steroids as a bunch of linked objects.
-
-It's about object schemas, types and typed links to describe the world as
-dependency graph.
-
-.A bunch of linked objects
-ifdef::textdiagram[]
-[plantuml, format=txt]
-endif::[]
-ifndef::textdiagram[]
-[plantuml, format=svg]
-endif::[]
-
-----
-@startuml
-
-map SwitchType {
-    manufacturer => MikroTik
-    model => CRS12345
-    serial_number => 23468263876
-}
-
-map Switch {
-    switch_type *-> SwitchType
-}
-
-map SwitchPort {
-    switch *-> Switch
-    port_type => RJ45
-    port_speed => 1000
-    port_id => ge0/1/2/3
-}
-
-
-map NetworkAdapter {
-    mac addr => aa:bb:cc:dd:ee:ff
-    port_type => RJ45
-}
-
-map ServerType {
-    type => baremetal
-    serial_number => 1234567890
-    manufacturer => Thomas Krenn AG
-    model => Model Mini 2
-}
-
-map NetworkAdapterBMC {
-    mac addr => 12:34:56:78:90:ab
-    port_type => RJ45
-    port_speed => 1000
-}
-map BMC {
-    bmc_type => OpenBMC
-    network adapter *-> NetworkAdapterBMC
-
-}
-map Server {
-    network adapter *-> NetworkAdapter
-    server_type *-> ServerType
-    bmc *-> BMC
-}
-
-map Patchcable {
-    plug a *-> NetworkAdapter
-    plug b *-> SwitchPort
-}
-
-@enduml
-----
-
-This service provides an REST API for all interactions.