Alacritty new terminal emu, ranger devicons, background rotator, 1440p preparedNeed solution for multiple screen resolutions, install.sh selection?

.config/systemd/user/background-rotate.service

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+[Unit]
+Description=This is an automatic background changer service
+
+[Service]
+Type=simple
+ExecStart=/home/tristan/.i3/scripts/rotate_background.sh
+
+[Install]
+WantedBy=default.target

.config/systemd/user/background-rotate.timer

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+[Unit]
+Description=Run my job every week
+RefuseManualStart=no
+RefuseManualStop=no
+
+[Timer]
+Persistent=true
+#when it is true systemd stores when the timer was last run and when the machine boots up after a long time, it will automatically catch up onto this timer if it should have run in the meantime
+OnCalendar=weekly
+Unit=background-rotate.service
+
+[Install]
+WantedBy=timers.target