Merging Kindel paper

solved issues: 0, 1 Add Readme, 1b adding icons and description, 2 License, 3 - Publication files, 4 - metadata adding. Issue 5 (#7 (closed)) is open due to excessive amount of data sets used, info added into supplementary material (see comment to the issue)

_publication/README.md

+## Supplemental material for Predmoter - Cross-species prediction of plant promoter and enhancer associated NGS data
+
+https://academic.oup.com/bioinformaticsadvances/article/4/1/vbae074/7681899#464175186
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