Added CSV file to describe semantic classes for the dataset

semantics.csv

@@ -0,0 +1,21 @@
+label,name,kind,color
+-1,void,void,"(128, 64, 128)"
+0,road,stuff,"(128, 64, 128)"
+1,sidewalk,stuff,"(244, 35, 232)"
+2,building,stuff,"(70, 70, 70)"
+3,wall,stuff,"(102, 102, 156)"
+4,fence,stuff,"(190, 153, 153)"
+5,pole,stuff,"(153, 153, 153)"
+6,traffic light,stuff,"(250, 170, 30)"
+7,traffic sign,stuff,"(220, 220, 0)"
+8,vegetation,stuff,"(107, 142, 35)"
+9,terrain,stuff,"(152, 251, 152)"
+10,sky,stuff,"(70, 130, 180)"
+11,person,thing,"(220, 20, 60)"
+12,rider,thing,"(255, 0, 0)"
+13,car,thing,"(0, 0, 142)"
+14,truck,thing,"(0, 0, 70)"
+15,bus,thing,"(0, 60, 100)"
+16,train,thing,"(0, 80, 100)"
+17,motorcycle,thing,"(0, 0, 230)"
+18,bicycle,thing,"(119, 11, 32)"