Add example to README

CHANGELOG.md

@@ -6,6 +6,6 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to the
 [Haskell Package Versioning Policy](https://pvp.haskell.org/).
 
-## Unreleased
+## 0.1.0.0 - 2024-07-01
 
-## 0.1.0.0 - YYYY-MM-DD
+First release!

README.md

@@ -1,3 +1,24 @@
 # haskell-ffprobe
 
 This package provides Haskell bindings for the `ffprobe` command.
+
+## Example
+
+```haskell
+import FFProbe
+import FFProbe.Data.Format (duration, formatName)
+import FFProbe.Data.Stream (codecLongName)
+import System.Environment
+
+main :: IO ()
+main = do
+    fileName:_ <- getArgs
+    ffprobeRes <- ffprobe fileName
+    case ffprobeRes of
+        Left err -> putStrLn $ "An error occured: " ++ err
+        Right ffprobeData -> do
+            print $ formatName (format ffprobeData)
+            print $ duration (format ffprobeData)
+            print $ length (chapters ffprobeData)
+            print $ codecLongName $ head (streams ffprobeData)
+```