chore: update README.md

* badges
* example use of the package

README.md

@@ -1,5 +1,10 @@
 # levenshtein
 
+[![Go Reference](https://pkg.go.dev/badge/github.com/rotemhoresh/levenshtein.svg)](https://pkg.go.dev/github.com/rotemhoresh/levenshtein)
+[![License: MIT](https://img.shields.io/badge/License-MIT-blue.svg)](https://opensource.org/licenses/MIT)
+[![Go Report Card](https://goreportcard.com/badge/github.com/rotemhoresh/levenshtein)](https://goreportcard.com/report/github.com/rotemhoresh/levenshtein)
+
+
 Go implementations for the [Levenshtein Distance](https://en.wikipedia.org/wiki/Levenshtein_distance).
 
 There are existing packages that implement Levenshtein Distance, I have created this package for learning.
@@ -13,6 +18,22 @@ Implementations:
 
 When using this package, you should use the `Distance` - alias for the Two Rows implementaion.
 
+### Example
+
+Using this package:
+
+```bash
+go get github.com/rotemhoresh/levenshtein
+```
+
+```go
+d := levenshtein.Distance("kitten", "sitting")
+fmt.Printf("edit distance between 'kitten' and 'sitting' is %d", d)
+
+// Output:
+// edit distance between 'kitten' and 'sitting' is 3
+```
+
 ## Testing and Benchmarking
 
 Test and Benchmark fucntions are available for all implementations.