new file: 3D_printing/creality/manual-ender-3d-printer.pdf

	new file:   FPGA/nexys_video/nexys-video_rm.pdf
	new file:   FPGA/nexys_video/nexys_video_sch.pdf
	new file:   FPGA/nexys_video/ug470_7Series_Config.pdf
	new file:   FPGA/nexys_video/ug472_7Series_Clocking.pdf
	new file:   FPGA/nexys_video/ug586_7Series_MIS.pdf
	new file:   WIENER/iseg_manual_EHS_en.pdf
	new file:   connectors/ssmcx_734154766_sd-1.pdf