Added close-matches example

Cargo.toml

@@ -31,3 +31,7 @@ required-features = ["text"]
 [[example]]
 name = "udiff"
 required-features = ["text"]
+
+[[example]]
+name = "close-matches"
+required-features = ["text"]

examples/close-matches.rs

@@ -0,0 +1,15 @@
+use similar::text::get_close_matches;
+
+fn main() {
+    let words = vec![
+        "apple",
+        "appu",
+        "appal",
+        "apparitor",
+        "beer",
+        "beeb",
+        "beeline",
+    ];
+    println!("{:?}", get_close_matches("app", &words, 3, 0.7));
+    println!("{:?}", get_close_matches("bee", &words, 3, 0.7));
+}