Tilemap and display palette

2020-03-16 add: new release 0.23.
2020-03-14 fix: adjust tile schema size.
2020-03-13 fix: fix schema size.
2020-03-13 add: add tilemap arguments in main.
2020-03-13 add: add tiles map analyze.
2020-03-11 fix: fix filepath.join and bad filepath for palette export
2020-03-11 add: add png palette in exports.
2020-03-10 add: add png palette used to generate image and unit test.
2020-03-10 add: add png palette used to generate image.
2020-03-10 fix: fix application version in makefile.
2020-03-10 add: new version before release.