EventPulse browser video converter: third-party source and licensing

@ffmpeg/ffmpeg 0.12.15
License: MIT
Source: https://github.com/ffmpegwasm/ffmpeg.wasm/tree/v12.15/packages/ffmpeg

@ffmpeg/core 0.12.10
License: GPL-2.0-or-later, including the licenses of FFmpeg and enabled external libraries
Corresponding build source: https://github.com/ffmpegwasm/ffmpeg.wasm/tree/v12.15
FFmpeg source and licensing: https://ffmpeg.org/

The converter runs these components in the visitor's browser. EventPulse does not upload the selected video.