First commit of partial RosettaCode contents.

Pushing this for testing purposes. Lots of work still needed.

Task/Infinity/Go/infinity.go

@@ -0,0 +1,19 @@
+package main
+
+import (
+    "fmt"
+    "math"
+)
+
+// function called for by task
+func posInf() float64 {
+    return math.Inf(1) // argument specifies positive infinity
+}
+
+func main() {
+    x := 1.5 // type of x determined by literal
+    // that this compiles demonstrates that PosInf returns same type as x,
+    // the type specified by the task.
+    x = posInf()                     // test function
+    fmt.Println(x, math.IsInf(x, 1)) // demonstrate result
+}