Initial own-git docs, configs, scripts, and hardening pack

systemd/gitea-backup.service

@@ -0,0 +1,13 @@
+[Unit]
+Description=Run Gitea backup script
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+Type=oneshot
+ExecStart=/opt/owngit/scripts/backup-gitea.sh
+User=root
+Group=root
+
+[Install]
+WantedBy=multi-user.target

systemd/gitea-backup.timer

@@ -0,0 +1,11 @@
+[Unit]
+Description=Daily Gitea backup timer
+
+[Timer]
+OnCalendar=*-*-* 03:10:00
+Persistent=true
+RandomizedDelaySec=3m
+Unit=gitea-backup.service
+
+[Install]
+WantedBy=timers.target