Update README.md

Author: pemorse

README.md

@@ -16,10 +16,15 @@ The applications are:
 2] PDT_V: Planetary Data Tagger - Volumetric
 
 3] LAB_CM : LAB color mixer
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 4] GV_LAB : Gradient Visualizer CIELAB colorspace
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 5] GV_RGB : Gradient Visualizer RGB colorspace
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 6] GV_HSL : Gradient Visualizer HSL colorspace
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 7] GV_HCL : Gradient Visualizer HCL colorspace
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 8] ImP : Immersive Player
 
 They are intended for designing colourmaps for continuous data, such as global seismic data, and for standard 2D and immersive (Dome) screen display.