Update Voron 2 SKR v1.4/Turbo wiring diagram, This PR will not work properly without PR #262

[GadgetAngel]

*Add Voron 2 SKR v1.4/Turbo wiring diagram, This PR will not work properly without PR #262 . It contains a link to the information in PR #262

*updated Electrical Index.md file to add the Voron 2 SKR V1.4/Turbo (v2_skr14_uart_wiring.md)

*one additional file: a. skrv14init_prep_tmc_drvs_uart.md

*reused two additional files: a. skrv14_RaspberryPi.md b. skrv14_Resources.md

*added initial Removal of Jumpers diagram *added initial preparation - Set Jumpers diagram for SKR V1.4/Turbo *updated description for wiring diagram in SKR V1.4/Turbo *added wiring diagram for Voron 2 - SKR V1.4/Turbo *added the heatsink diagram to remind user to ensure that the heatsinks are installed on the stepper motor drivers for:

1. MCU XYE with heat sinks
2. MCU Z with heat sinks

*added SSR wiring diagram using SKR V1.4/Turbo *Updated Color Pin diagram for Bigtreetech SKR V1.4/Turbo *added original SKR V1.4/Turbo pinout *added URL to the original Bigtreetech Github Repo on the SKR V1.4/Turbo board