add script to manually add users

scripts/create_user.sh

+#!/usr/bin/env bash
+
+echo Create an account on the web-interface.
+echo 'When asked to activate via email, enter your username (pseudo) here instead.'
+
+echo -en "\nEnter your username: "
+
+read  username
+
+keyid=$(
+    podman-compose exec \
+        -u postgres \
+        postgres \
+        bash -c "psql sosmath -A -F , -X  -t -U www-sosmath <<< \"SELECT users_activation.id, users_activation.regkey FROM users_activation JOIN users ON users.id=users_activation.id WHERE users.pseudo='"${username}"';\""
+)
+
+key=$(
+    echo $keyid | awk -F "," '{ print $2 }'
+)
+
+id=$(
+    echo $keyid | awk -F "," '{ print $1 }'
+)
+
+
+echo "\nClick on: http://localhost/index.php?p=rep&do=activate&id=${id}&key=${key}"
+
+echo Replace localhost with your domain.
+