Add PlatformIO project setup, local libraries, and PCB Gerber files

- Add platformio.ini for ESP32 DevKit (Arduino framework, espressif32 6.10.0)
- Vendor ArduinoJson, MPU6050_tockn, SCServo, Simple_FOC, and WebSockets
  so a fresh clone builds without downloading dependencies
- Add .gitignore rules for PlatformIO/IDE build artifacts
- Add controller PCB Gerber and drill files

3.Software/libraries/SCServo/library.properties

@@ -0,0 +1,9 @@
+name=SCSservo
+version=1.0.1
+author=FT&WS
+maintainer=FT&WS
+sentence=SCSservo ctrl for ESP32 and Arduino
+paragraph=SCSservo ctrl for ESP32 and Arduino
+category=Other
+url=https://github.com/waveshare/
+architectures=*