Add initial project files

pkg/people/power.go

@@ -0,0 +1,19 @@
+package people
+
+import "strings"
+
+// SuperPowers list of an SuperHero.
+// Normal person has no super-power?
+// Perhaps we just don't know enough to distinguish the qualities in each individual person. Sad but true.
+type SuperPowers []string
+
+// Contains superpower list the strength?
+// Not go idiomatic? Okay, we can discuss it.
+func (s *SuperPowers) Contains(power string) bool {
+	for _, p := range *s {
+		if strings.EqualFold(p, power) {
+			return true
+		}
+	}
+	return false
+}