Update 1 1 introduction

1-1-introduction.md

@@ -8,7 +8,13 @@ Anyone can download and install Mirae WAVE without any cost, and try it free for
 
 ### Key Features
 
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+* Supports for GRIB, GRIB2 and NetCDF data formats
+* Overlapped visualization with multiple layers
+* Various types of charts and their overlays
+* Automatic data scanning along time or height axes
+* Coordinate conversion between 3D globe and 2D map
+* Various customization of color maps and layer properties
+* Capturing into images and videos
 
 ### Target Users