hw: add secondary UARTs and I2C Bot silkscreen

hw: fix position of origin in default jumper footprint - library `jumper.lbr` - `SJ2W_DEFAULT` - fix position of origin - update `RBCX.brd`

hw: move bottom LED resistors to the top

hw: change outline layer of display modules - `diy-modules.lbr` - change outline layer from `tPlace` to `Document` - footprint `DISPLAY-OLED-128X32` - footprint `DISPLAY-OLED-128X64-I2C_W-HOLES`

hw: update and fix silkscreens - fix position of labels - add testpoint labels - improve groups of text (separate columns in text labels) - add label for capacitors polarity - change layer from `tDocu` to `Document` for label in library `switch-omron.lbr`

hw: fix ESP32 DevKit C silkscreen - activate "Spin" for all text labels in DEVKITC footprint

hw: move some resistors, because of silkscreen

hw: replace D1 with smaller one (SS34 -> B5819W)

hw: fix value of R74

hw: renumber parts