feat(mysql): Add config for reloads

.gitignore

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+.idea

mysql_reload.sh

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+#!/bin/bash
+declare mysql_container="${1:?}"
+if systemctl --quiet is-active docker.service; then
+    if [[ "$( docker container inspect -f '{{.State.Running}}' "${mysql_container}" 2> /dev/null )" == "true" ]]; then
+        if docker exec -t "${mysql_container}" bash -c 'mysqld --validate-config' &>/dev/null; then
+            docker restart "$(docker ps -qaf name="${mysql_container}")"
+        else
+            printf -- '%s\n' \
+                'MySQL config of container '"'${mysql_container}'"' does not validate.' \
+                'See: docker exec -t '"'${mysql_container}'"' bash -c '"'"'mysqld --validate-config'"'"'.' \
+                'We will leave the container running as-is.'
+        fi
+    fi
+fi