Figures for kCSD paper

[m-kowalska]

Modified style of figures, added README, changed names of scripts and folder with figures.

[coveralls]

Pull Request Test Coverage Report for Build 290

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 62.112%

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Totals
Change from base Build 285:	0.0%
Covered Lines:	1823
Relevant Lines:	2935

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💛 - Coveralls