Edit keyserver sync servers

src/freedombone-app-keyserver

     mark_completed $FUNCNAME
 }
 
+function keyserver_reset_database {
+    if [ -d /var/lib/sks/DB ]; then
+        rm -rf /var/lib/sks/DB
+    fi
+    sks build
+    chown -Rc debian-sks: /var/lib/sks
+    systemctl restart sks
+}
+
 function logging_on_keyserver {
     echo -n ''
 }
 
     cd /var/lib/sks
     echo $'Building the keyserver database from the downloaded dump'
-    sks build
+    keyserver_reset_database
 }
 
 function keyserver_sync {
            --msgbox $"Keyserver added" 6 40
 }
 
+function keyserver_edit {
+    editor /etc/sks/membership
+    chown -Rc debian-sks: /etc/sks/membership
+    systemctl restart sks
+}
+
 function configure_interactive_keyserver {
     while true
     do
         trap "rm -f $data" 0 1 2 5 15
         dialog --backtitle $"Freedombone Control Panel" \
                --title $"SKS Keyserver" \
-               --radiolist $"Choose an operation:" 11 70 3 \
+               --radiolist $"Choose an operation:" 12 70 4 \
                1 $"Sync with other keyserver" off \
-               2 $"Import public keys database" off \
-               3 $"Exit" on 2> $data
+               2 $"Edit sync keyservers" off \
+               3 $"Import public keys database" off \
+               4 $"Exit" on 2> $data
         sel=$?
         case $sel in
             1) return;;
         esac
         case $(cat $data) in
             1) keyserver_sync;;
-            2) keyserver_import_keys;;
-            3) break;;
+            2) keyserver_edit;;
+            3) keyserver_import_keys;;
+            4) break;;
         esac
     done
 }
 
-function keyserver_reset_database {
-    if [ -d /var/lib/sks/DB ]; then
-        rm -rf /var/lib/sks/DB
-    fi
-    sks build
-    chown -Rc debian-sks: /var/lib/sks
-    systemctl restart sks
-}
-
 function install_keyserver {
     apt-get -qy install build-essential gcc ocaml libdb-dev wget sks
     keyserver_reset_database