Merge branch 'dev-branch' into 'main'

Backend/API/handlers/newDepartment.go

Backend/API/handlers/newGateway.go

Backend/API/other/sqlqueries.go

Frontend/power-tracker/src/components/manageBuildDep.tsx

Frontend/power-tracker/src/components/manageGateway.tsx

Frontend/power-tracker/src/components/manageProcesses.tsx

Frontend/power-tracker/src/components/ui/textarea.tsx

Frontend/power-tracker/src/index.css

Set-up-guide.md

images/EUI.png

images/add-gateway.png

images/configuration.png

images/gateway_note.jpg

images/internet_sec.png

images/network-settings.png

images/region.png

images/udp-forwarder.png

images/website-log.png

images/wifi-settings.png