created major large-scale changes

vars/mysql_settings.yml

@@ -0,0 +1,17 @@
+mysql:
+  containerized: true
+  password: "{{ lookup('password', './.tmp/' + inventory_hostname + '-root@mysql/mysql.pass', chars=['ascii_lowercase', 'digits'], length=8) }}"
+  users:
+    admin:
+      username: admin
+      # @TODO see if manual creation of additional databases is necessary for the DBMS server 
+      databases:
+        init:
+          name: testdb
+        nextcloud:
+          name: nextcloud
+        gitea:
+          name: gitea
+        opengist:
+          name: opengist
+      password: "{{ lookup('password', './.tmp/' + inventory_hostname + '-user@mysql/mysql.pass', chars=['ascii_lowercase', 'digits'], length=8) }}"