Add ANT Neuro EDX support and propagate new board IDs across bindings

[Andrey1994]

Motivation

• Add support for ANT Neuro EDX transport boards exposed via a gRPC service so ANT Neuro amplifiers can be used through BrainFlow.
• Expose explicit EDX board ids across all language bindings and update CMake so EDX is an optional build component guarded by -DBUILD_ANT_EDX=ON.
• Provide example test scripts demonstrating typical EDX workflows (connect, stream, trigger, impedance, mode transitions) for hardware validation.

Description

• Introduces a new EDX board implementation under src/board_controller/ant_neuro_edx/ including ant_neuro_edx_impl.cpp, ant_neuro_edx.cpp, ant_neuro_edx_main.cpp, headers and a proto/EdigRPC.proto for gRPC/protobuf integration, plus a dynamic library target AntNeuroEdxLib enabled when BUILD_ANT_EDX is ON.
• Adds the CMake plumbing to generate protobuf sources, check for Protobuf/gRPC libs, build the EDX shared lib, and install/copy artifacts when BUILD_ANT_EDX is enabled; adds option(BUILD_ANT_EDX ...) to the top-level CMakeLists.txt.
• Registers multiple explicit ANT EDX board ids and mirrors board descriptors by cloning existing ANT layouts in brainflow_boards.cpp, and updates board_controller.cpp to construct AntNeuroEdxBoard when built or emit UNSUPPORTED_BOARD_ERROR otherwise.
• Propagates new board ids and small API fixes across language bindings and type lists (Python, Java, C#, Julia, MATLAB, Node.js/TypeScript, Rust), and updates various BoardShim implementations to validate master_board for streaming/playback boards and to use the correct master_board when computing row counts.
• Adds example/hardware test scripts under python_package/examples/tests/ (edx_full_lifecycle.py, edx_impedance.py, edx_mode_transitions.py) and documentation updates in docs/BuildBrainFlow.rst and docs/SupportedBoards.rst describing how to build with -DBUILD_ANT_EDX=ON and usage notes.
• Miscellaneous small fixes: newline/formatting fixes and minor language-binding tidy-ups.

Testing

• No automated CI tests were executed as part of this change; the PR includes Python example scripts intended for manual/hardware validation against a real ANT Neuro device and a running EDX gRPC server. These example scripts exercise connect/start/stream/impedance/trigger and release flows but require hardware to run.

---

Codex Task

[chatgpt-codex-connector]

💡 Codex Review

Here are some automated review suggestions for this pull request.

Reviewed commit: 37a64fe042

ℹ️ About Codex in GitHub

Your team has set up Codex to review pull requests in this repo. Reviews are triggered when you

• Open a pull request for review
• Mark a draft as ready
• Comment "@codex review".

If Codex has suggestions, it will comment; otherwise it will react with 👍.

Codex can also answer questions or update the PR. Try commenting "@codex address that feedback".

[chatgpt-codex-connector]

Preserve EE-511 ref/gnd impedance channels

Board 51’s descriptor now limits resistance_channels to EEG indices and moves ref/ground into separate keys, but the legacy ANT implementation (AntNeuroBoard::read_thread) still consumes only resistance_channels when mapping impedance data. As a result, reference/ground impedance values are no longer written or returned via get_resistance_channels for ANT_NEURO_EE_511_BOARD, which is a regression for existing non-EDX EE-511 workflows.

Useful? React with 👍 / 👎.

[chatgpt-codex-connector]

Avoid linking EDX plugin to hidden BoardController internals

Linking AntNeuroEdxLib directly to ${BOARD_CONTROLLER_NAME} makes the new plugin depend on C++ internals (e.g., Board/DynLibBoard) while this project globally compiles with hidden visibility, so those symbols are not exported as a stable shared-library ABI. In BUILD_ANT_EDX=ON builds this can leave unresolved C++ symbols in the EDX plugin and surface as undefined-symbol failures when EDX entry points are called.

Useful? React with 👍 / 👎.