Add an example to the readme and test it

README.md

@@ -1,5 +1,15 @@
 # favicon-scraper
 
-Scrapes favicons from websites.
+Scrapes favicons from websites. Does not particularly care for 100% optimal
+performance, it just needs to work.
 
-Does not particularly care for 100% optimal performance, it just needs to work
+To get started, try the `scrape` function:
+
+```rust
+use favicon_scraper::{scrape, Icon};
+
+let icons: Vec<Icon> = scrape("https://google.com").await.unwrap();
+
+// Should find something like "https://www.google.com/favicon.ico"
+println!("Google's icon can be found at {}", icons[0].url);
+```

src/lib.rs

@@ -92,4 +92,14 @@ mod tests {
             println!("Kind of icon: {:?}\n", icon.kind);
         }
     }
+
+    #[tokio::test]
+    async fn test_readme_example() {
+        use crate::{scrape, Icon};
+
+        let icons: Vec<Icon> = scrape("https://google.com").await.unwrap();
+
+        // Should find something like "https://www.google.com/favicon.ico"
+        println!("Google's icon can be found at {}", icons[0].url);
+    }
 }