* adding ook_file.cpp
* aligned GUI, change low_bit to pause, start to use ook_file API
* bit duration, pause, fields step, indent
* working OOK file loading
* revamped GUI with the decided names and units
* read, start tx, stop tx in ook_file API
* cleanings, using ook_file_data and API to load, save, send, stop tx
* renamed text widget
* moved set target frequency to start_ook_file_tx function
* comments, took out a function to put it in API
* removed non working Tesla OOK files
* changed space to tab
* set author information
* Renamed to OOKEditor
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