Add Voron 2.4 BTT Octopus Pro in SPI mode; This PR will not work properly without PR #251

[GadgetAngel]

*Add Voron 2 BTT Octopus Pro in SPI mode, This PR will not work properly without PR #251 . It contains a link to the information in PR #251

*In Community/Electronics/ added the following:

1. GadgetAngel folder
2. images subfolder

updated Index.md file in Community/Electronics/ to add "Voron V2 - BTT Octopus Pro V1.0 Wiring for both SPI and UART modes" (v2_octopus_pro_wiring.md) v2_octopus_pro_wiring.md is a parent to v2_octopus_pro_spi_wiring.md

*reused three additional files: a. OctopusPro_ProbePort.md b. OctopusPro_RaspberryPi.md c. OctopusPro_Resources.md

added initial Removal of Jumpers diagram added initial preparation - Set Jumpers diagram for BTT Octopus Pro in SPI mode added description for Voron 2.4 wiring diagram in BTT Octopus Pro in SPI mode added the heatsink diagram to remind user to ensure that the heatsinks are installed on the stepper motor drivers for: Added the following MCU with heat sinks in SPI mode added URL to the Klipper Configuration from VoronDesign/Voron-2 GitHub Repo for BTT Octopus Pro informed user that the above config file needs to be changed from UART to SPI added links to other resources