1. Wi-Fi <api/esp_wifi> 2. Bluetooth <api/bt> 2. GPIO <api/gpio> 4. LED Control <api/ledc> 5. Logging <api/log> 6. Non-Volatile Storage <api/nvs_flash> 7. Virtual Filesystem <api/vfs>
- reflected template in other DRAFT API dcouments - DRAFT of Bluetooth API - link fixes in CONTRIBUTING.rst