Format and document utility files (#246)
* Format and document utility files * Add Doxyfile * small updates for cleanup * Final touches for util docs * Replace `_` with `s_` for static functions * update for clang-format changes * Update include/audio_utils.h Co-authored-by: MeirGavish <meir.gavish@gmail.com> * Apply suggestions from code review Co-authored-by: MeirGavish <meir.gavish@gmail.com> * Update include/audio_utils.h Co-authored-by: MeirGavish <meir.gavish@gmail.com> * Update include/graphic_utils.h Co-authored-by: MeirGavish <meir.gavish@gmail.com> * Make clang-format happy :) * Update gitignore for doxygen * restor graphic_utils.c to main * update graphics utils * tmp * tmp * get it to compile * fix some bad merge mistakes * Fix clang format * Apply suggestions from code review Co-authored-by: MeirGavish <meir.gavish@gmail.com> * make clang-format happy --------- Co-authored-by: MeirGavish <meir.gavish@gmail.com>
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