Adding and removing dynamic dns domains

src/freedombone-app-dokuwiki

     remove_completion_param "dokuwiki domain"
     sed -i '/Dokuwiki/d' /home/$MY_USERNAME/README
     sed -i '/dokuwiki/d' $COMPLETION_FILE
+
+    function_check remove_ddns_domain
+    remove_ddns_domain $DOKUWIKI_DOMAIN_NAME
 }
 
 function get_dokuwiki_admin_password {

src/freedombone-app-gnusocial

     fi
     sed -i '/Gnusocial/d' /home/$MY_USERNAME/README
     remove_backup_database_local gnusocial
+
+    function_check remove_ddns_domain
+    remove_ddns_domain $GNUSOCIAL_DOMAIN_NAME
 }
 
 function install_gnusocial_main {

src/freedombone-app-gogs

     remove_completion_param "install_gogs"
     sed -i '/gogs /d' $COMPLETION_FILE
     remove_backup_database_local gogs
+
+    function_check remove_ddns_domain
+    remove_ddns_domain $GIT_DOMAIN_NAME
 }
 
 function install_gogs {

src/freedombone-app-htmly

     sed -i '/htmly/d' $COMPLETION_FILE
     sed -i '/htmly/d' /home/$MY_USERNAME/README
     sed -i '/Htmly/d' /home/$MY_USERNAME/README
+
+    function_check remove_ddns_domain
+    remove_ddns_domain $HTMLY_DOMAIN_NAME
 }
 
 function get_htmly_admin_password {

src/freedombone-app-hubzilla

     sed -i '/hubzilla/d' $COMPLETION_FILE
     sed -i '/hubzilla/d' /home/$MY_USERNAME/README
     sed -i '/Hubzilla/d' /home/$MY_USERNAME/README
+
+    function_check remove_ddns_domain
+    remove_ddns_domain $HUBZILLA_DOMAIN_NAME
 }
 
 function install_hubzilla {

src/freedombone-app-jitsi

     remove_completion_param install_jitsi
     sed -i '/jitsi/d' ${COMPLETION_FILE}
     sed -i '/Jitsi/d' /home/${MY_USERNAME}/README
+
+    function_check remove_ddns_domain
+    remove_ddns_domain $JITSI_DOMAIN_NAME
 }
 
 function install_jitsi_videobridge {
     install_jitsi_jicofo
     install_jitsi_meet
 
+    function_check add_ddns_domain
+    add_ddns_domain $JITSI_DOMAIN_NAME
+
     APP_INSTALLED=1
 }

src/freedombone-app-mediagoblin

 
 function remove_mediagoblin {
     remove_certs ${MEDIAGOBLIN_DOMAIN_NAME}
+
+    function_check remove_ddns_domain
+    remove_ddns_domain $MEDIAGOBLIN_DOMAIN_NAME
 }
 
 function install_mediagoblin {

src/freedombone-app-postactiv

     fi
     sed -i '/Postactiv/d' /home/$MY_USERNAME/README
     remove_backup_database_local postactiv
+
+    function_check remove_ddns_domain
+    remove_ddns_domain $POSTACTIV_DOMAIN_NAME
 }
 
 function install_postactiv_main {