Replace static values by variables

vars/main.yml

@@ -2,8 +2,8 @@
 # vars file for hedgedocs-pad-lqdn_
 
 hedgedoc-version: "1.7.0-rc2"
-hedgedoc-sql-password : "default password ITtHlXfTEBwcCypWPX07"
-hedgedocs-domain: "hedgedoc.example.com"
+hedgedoc-sql-password : "{{ vault_service_hedgedocs_sql_password }}"
+hedgedocs-domain: "{{ service_hedgedocs_domain }}"
 
 # Variables pour la configuration du fichier