Adds basic README

README.md

@@ -0,0 +1,37 @@
+# Libgenders
+
+An implementation of [libgenders](https://github.com/chaos/genders/tree/master/src/libgenders) in Go.
+
+## Usage
+
+```go
+package main
+
+import (
+	"fmt"
+	"log"
+
+	"github.com/ryanmoran/libgenders"
+)
+
+func main() {
+    database, err := libgenders.NewDatabase(libgenders.DefaultGendersFilepath)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	value, ok := database.GetNodeAttr("node1", "attr2")
+	if ok {
+		fmt.Println(value)
+	}
+
+	nodes, err := database.Query("~(attr1 -- ((attr1 && attr3) || (attr1 && attr5)))")
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	for _, node := range nodes {
+		fmt.Printf("name: %s, attributes: %v\n", node.Name, node.Attributes)
+	}
+}
+```