Added sqrt function for math node (contributed by williamchange)

Add sqrt function for math node

Author: RodZill4

addons/material_maker/nodes/math.mmg

@@ -204,6 +204,10 @@
 					{
 						"name": "log(A, B)",
 						"value": "log($in1($uv))/log($in2($uv))"
+					},
+					{
+						"name": "sqrt(A)",
+						"value": "sqrt($in1($uv))"
 					}
 				]
 			},

material_maker/library/aliases.json

@@ -15,7 +15,7 @@
 	"Filter/Invert": "negative",
 	"Filter/Fill/To Random Gray": "to random grey",
 	"Filter/Fill/From Colors": "from colours",
-	"Filter/Math": "add,subtract,multiply,divide,log,log2,pow,abs,round,floor,ceil,trunc,fract,min,max,cos,sin,tan,sqrt,compare,greater,less,smoothstep,pingpong,sign,mod,atan2,asin,atan,acos,atan,sinh,cosh,tanh,exp,snap,radians,degrees",
+	"Filter/Math": "add,subtract,multiply,divide,log,log2,pow,abs,round,floor,ceil,trunc,fract,min,max,cos,sin,tan,sqrt,compare,greater,less,smoothstep,pingpong,sign,mod,atan2,asin,atan,acos,atan,sinh,cosh,tanh,exp,snap,radians,degrees,sqrt",
 	"Filter/Math/Vec3": "add,subtract,multiply,divide,log,log2,pow,abs,round,floor,ceil,trunc,fract,min,max,less,cos,sin,tan,sqrt,length,distance,dot,cross,normalize,sign,mod,snap,sinh,cosh,tanh",
 	"Filter/Supersample": "antialias,smoothen",
 	"Filter/Swap Channels": "shuffle,change,bind",