Add info about fdtd3d benchmark page #44

Job	Run time
Unit test arm ubuntu 22.04 for layout	1h 26m 58s
Unit test arm ubuntu 22.04 for layout	1h 30m 0s
Unit test arm ubuntu 22.04 for grid	13m 9s
Unit test arm ubuntu 22.04 for layout	1h 28m 45s
Unit test arm ubuntu 22.04 for dumpers-loaders	13m 44s
Unit test arm ubuntu 22.04 for layout	1h 30m 17s
Unit test arm ubuntu 22.04 for coordinate	9m 52s
Unit test arm ubuntu 22.04 for internalscheme	30m 29s
Unit test arm ubuntu 22.04 for settings	8m 37s
Unit test arm ubuntu 22.04 for internalscheme	32m 0s
Unit test arm ubuntu 22.04 for approximation	10m 16s
Unit test arm ubuntu 22.04 for internalscheme	34m 17s
Unit test arm ubuntu 22.04 for complex	11m 25s
Unit test arm ubuntu 22.04 for internalscheme	33m 20s
	9h 13m 9s

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