Created Software dependencies (markdown)

Software-dependencies.md

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+Install via libraries:
+- Arduino ESP32 library: https://github.com/espressif/arduino-esp32
+- LoRa Arduino library: https://github.com/sandeepmistry/arduino-LoRa
+- Arduino Timer library: https://github.com/contrem/arduino-timer
+- CircularBuffer library: https://github.com/rlogiacco/CircularBuffer