SCADABLE platform integration for ESP32. Boots, loads the
device certificate from NVS, discovers the MQTT broker via
edge.scadable.com, connects over TLS, publishes heartbeats,
and handles OTA updates. Optional streaming file upload to
uploads.scadable.com (compile-time opt-in). Customer brings
their own network (Wi-Fi / Ethernet / cellular).
SCADABLE fleet ops library for ESP32. Drop into your firmware, get managed MQTT + log streaming + telemetry + remote diagnostics + signed OTA for free.