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'

host_vars/test.mariadb.oopen.de/test.mariadb-common.yml

@@ -0,0 +1,56 @@
+---
+
+# ---
+# vars used by role 'firewall'
+# ---
+
+# ---
+# vars used by roles/ansible_dependencies
+# ---
+
+
+# ---
+# vars used by roles/common/tasks/basic.yml
+# ---
+
+
+# ---
+# vars used by cron.yml
+# ---
+
+#cron_env_entries: []
+cron_env_entries:
+  - name: PATH
+    job: /root/bin/admin-stuff:/root/bin:/usr/local/php/bin:/usr/local/apache2/bin:/sbin:/bin:/usr/local/dovecot/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
+
+  - name: SHELL
+    job: /bin/bash
+
+
+# ---
+# vars used by apt.yml
+# ---
+
+
+# ---
+# vars used by roles/common/tasks/sshd.yml
+# ---
+
+
+# ---
+# vars used by roles/common/tasks/users.yml
+# ---
+
+
+# ---
+# vars used by roles/common/tasks/sudoers.yml
+# ---
+
+
+# ==============================
+
+
+# ---
+# vars used by scripts/reset_root_passwd.yml
+# ---
+