v0.2.0

Breaking Changes

• golioth_client: The function golioth_client_create() takes different parameters.
  Existing code can migrate by placing the PSK-ID and PSK into the
  golioth_client_config_t struct. See examples/golioth_basics for an example.

Added

• golioth_coap_client: Support for PKI certificate authentication over DTLS
• ble.c: new file, BLE GATT server for provisioning WiFi and Golioth credentials
• New certificate_auth example
• docs: Contributing.md, style guide

Changed

• golioth_basics: custom partition table to accommodate app size over 1 MB
• Kconfig: RPC and Settings feature flags enabled by default
• golioth_coap_client: More useful error message when DTLS handshake fails
• magtag_demo: add support for shell and NVS credentials
• docs: Improved API docs in Doxygen, README landing page

Fixed

• magtag_demo: support for USB CDC, now serial I/O works
• test: consistent timeouts to prevent flaky CI