First real commit. Setting up for full CI/CD and testing pipeline

internal/reader/orp.go

@@ -0,0 +1,20 @@
+package reader
+
+// ORPIndex calculates the approximate optimal recognition
+// point of a word.
+//
+// The returned value is a zero-based rune index.
+func ORPIndex(runes []rune) int {
+	length := len(runes)
+
+	switch {
+	case length <= 1:
+		return 0
+	case length <= 5:
+		return 1
+	case length <= 9:
+		return 2
+	default:
+		return 3
+	}
+}