Update README.md

Author: skrn03

docs/Electrical/README.md

@@ -3,9 +3,12 @@
 Here, you will find details on the electrical system on the current OpenUAS vehicle, including wiring diagrams, recommended components, and device pin-outs.
 
 
-## Current Wiring Diagram
+## PLUMA Wiring Diagram
 ![Wiring Diagram](./PLUMA-Pinout.png)
 
+## Apprentice and 3.0 Wiring Diagram
+![Wiring Diagram Old](./openuas-electronics.png)
+
 ## Pixhawk 4 Pinout
 [Pixhawk 4 Pinout](/Pixhawk4-Pinouts.pdf)
 ## testing