Add a script to distribute bdsmail to user maildirs

src/freedombone-app-bdsmail

     if [ -d $BDSMAIL_DIR ]; then
         rm -rf $BDSMAIL_DIR
     fi
+    rm /usr/bin/bdsmail_domain
+    sed -i '/bdsmail_distribute/d' /etc/crontab
+    rm /usr/bin/bdsmail_distribute
 }
 
 function install_bdsmail {
     systemctl enable bdsmail
     systemctl start bdsmail
 
+    echo '#!/bin/bash' > /usr/bin/bdsmail_distribute
+    echo 'BDSMAIL_DIR=/etc/bdsmail' >> /usr/bin/bdsmail_distribute
+    echo "MAIL_DIR=\$BDSMAIL_DIR/$(cat \$BDSMAIL_DIR/config.ini | grep 'maildir =' | awk -F ' ' '{print \$3}')" >> /usr/bin/bdsmail_distribute
+    echo 'if [ ! -d $MAIL_DIR/postmaster/new ]; then' >> /usr/bin/bdsmail_distribute
+    echo '    exit 0' >> /usr/bin/bdsmail_distribute
+    echo 'fi' >> /usr/bin/bdsmail_distribute
+    echo 'for filename in $MAIL_DIR/postmaster/new/*; do' >> /usr/bin/bdsmail_distribute
+    echo '    to_line=$(cat $filename | grep "To: " | head -n 1)' >> /usr/bin/bdsmail_distribute
+    echo "    to_username=\$(echo \"\$to_line\" | awk -F ' ' '{print \$2}' | awk -F '@' '{print \$1}')" >> /usr/bin/bdsmail_distribute
+    echo '    if [ -d /home/$to_username/Maildir/i2p/new ]; then' >> /usr/bin/bdsmail_distribute
+    echo '        chown $to_username:$to_username $filename' >> /usr/bin/bdsmail_distribute
+    echo '        mv $filename /home/$to_username/Maildir/i2p/new' >> /usr/bin/bdsmail_distribute
+    echo '    fi' >> /usr/bin/bdsmail_distribute
+    echo 'done' >> /usr/bin/bdsmail_distribute
+    chmod +x /usr/bin/bdsmail_distribute
+
+    if ! grep -q 'bdsmail_distribute' /etc/crontab; then
+        echo '*/1            * *   *   *   root /usr/bin/bdsmail_distribute 2> /dev/null' >> /etc/crontab
+    fi
+
     echo '#!/bin/bash' > /usr/bin/bdsmail_domain
     echo "cd $BDSMAIL_DIR" >> /usr/bin/bdsmail_domain
     echo 'if [ ! -f bdsmail-privkey.dat ]; then' >> /usr/bin/bdsmail_domain