Add Microscope Contrast/Brightness Docs

...t/EMRenderer/EMDemos/ContrastBrightness/Brightness-50.png

...nt/EMRenderer/EMDemos/ContrastBrightness/Brightness50.png

...MRenderer/EMDemos/ContrastBrightness/BrightnessRand20.png

...MRenderer/EMDemos/ContrastBrightness/BrightnessRand80.png

...ent/EMRenderer/EMDemos/ContrastBrightness/Contrast0_3.png

...ent/EMRenderer/EMDemos/ContrastBrightness/Contrast2_0.png

...EMRenderer/EMDemos/ContrastBrightness/ContrastRand0_1.png

...EMRenderer/EMDemos/ContrastBrightness/ContrastRand0_5.png

...Client/EMRenderer/EMDemos/ContrastBrightness/Disabled.png

...nClient/EMRenderer/EMDemos/ContrastBrightness/Enabled.png

...ient/EMRenderer/ParametersMicroscopeContrastBrightness.md

...nt/EMRenderer/ParametersMicroscopeInterferencePatterns.md

mkdocs.yml