* Fix type signature for Whisper.log_set
* Use cache file for model when offline
* Extract ruby_whisper_transcribe() into a file
* Extract Whisper::Error
* Use FileList for ext/*.{c,cpp,h}
* Extract Whisper::Segment
* Extract Whisper::Model
* Extract Whisper::Params
* Extract Whisper::Context
* Extract log_callback function
* Write base code in C rather than C++
* Use chdir instead of Dir.chdir in Rakefile
* Define alloc func for Whisper::Model
* Define Whisper::Params' calback and user data reader
* Add test for Whisper::Params.new with keyword arguments
* Make Whisper::Params.new accept keyword arguments
* Update type signatures
* Update README
* Update CLEAN targets
* Fix document comment for Whisper::Params#new_segment_callback=
* Use macro to define params
* Fix dependency of build task
* Set Whisper.finalize_log_callback visibility to private
* Make Whisper::Context#full and full_parallel return self
* Add test for Whisper::Context#full_get_segment
* Add Whisper::Context#full_get_segment
* Update signatures
* Update README
* Fix signature
* Resplace #initialize with .new in signature file [skip ci]
* Fix potential overflow
