Add host variable files for various hosts and update DNS configurations

- Created `wiki-common.yml` for wiki.cadus.org with DNS settings and git repository configurations.
- Added `www-common.yml` for www.oopen.de including SFTP group creation and root user password.
- Introduced `zapata-alt-common.yml` for zapata-alt.opp.netz with network interface configurations, Samba user reorganize 'host_vars'

hosts

@@ -300,6 +300,9 @@ test-nd.oopen.de
 o44.oopen.de
 cl-nd.oopen.de
 
+# Hetzner  Cloud
+cl-nd-test.oopen.de
+
 
 lxc-host-kb.anw-kb.netz
 
@@ -523,6 +526,9 @@ test-nd.oopen.de
 o44.oopen.de
 cl-nd.oopen.de
 
+# Hetzner  Cloud
+cl-nd-test.oopen.de
+
 
 lxc-host-kb.anw-kb.netz
 
@@ -805,9 +811,8 @@ web-nd.oopen.de
 # o44 - ND cloud
 cl-nd.oopen.de
 
-# ND - cloud
-o44.oopen.de
-cloud-nd.oopen.de
+# Hetzner  Cloud
+cl-nd-test.oopen.de
 
 # ---
 #  O.OPEN office network
@@ -1223,6 +1228,9 @@ web-nd.oopen.de
 # o44 - ND - cloud
 cl-nd.oopen.de
 
+# Hetzner  Cloud
+cl-nd-test.oopen.de
+
 
 # ---
 # Warenform
@@ -1320,6 +1328,9 @@ cl-flr.oopen.de
 # o44.oopen.de
 cl-nd.oopen.de
 
+# Hetzner  Cloud
+cl-nd-test.oopen.de
+
 # ---
 # Warenform
 # ---
@@ -1749,6 +1760,9 @@ test-nd.oopen.de
 # o44 - ND cloud
 cl-nd.oopen.de
 
+# Hetzner  Cloud
+cl-nd-test.oopen.de
+
 # ---
 #  O.OPEN office network
 # ---
@@ -1998,6 +2012,9 @@ test-nd.oopen.de
 o44.oopen.de
 cl-nd.oopen.de
 
+# Hetzner  Cloud
+cl-nd-test.oopen.de
+
 # Gemeinchaft Altenschlirf