models.json: Add Archer C5v1, TL-WR2543ND. Update Product Name for Arche Series
models.json: Add Archer C5v1, TL-WR2543ND. Update Product Name for Arche Series

Freifunk-Rhein-Neckar/ffda-firmware-splash,freifunk-darmstadt/ffda-firmware-splash,freifunk-darmstadt/ffda-firmware-splash,Freifunk-Rhein-Neckar/ffda-firmware-splash