Review PR: Add "Offline" SDLogger Mode

[brentru]

This pull request is not meant to be merged in. It is a review-only pull request for specific regions of code.

Codebase regions for review

• Added a new class, ws_sdcard - for interfacing with a micro SD Card breakout.
  • Request: please take a careful look at how parseConfigFile functions and looks
  • Request: please take a careful look at how we switch between production and debug-mode in this class
  • BuildJSONDoc and LogJSONDoc API interfaces are present for each type of component
  • This class also supports a Real-Time-Clock breakout.
• API calls for interacting with ws_sdcard and mode-switching (determining whether the device is online or offline) within WipperSnapper_V2 class in two functions -provision() and connect()
• Added API calls for parsing the SD CS pins from the JSON file on the WIPPER drive within classes - FS_V2 and LittleFS_V2
• Refactored network_interfaces/ to adapters/ to allow for a WipperSnapper device without a network interface (offline/).
  • Added new class, adapters/offline/ws_offline_pico to support a Raspberry Pi in offline mode.

Workflow enhancements for review:

• Added a new GitHub Actions workflow file, run-tests.yml, to automate testing using Wokwi.