Implement a status line

The status line shows information about the shown file, such as size,
modification time and permissions.

src/HCat/FileInfo.hs

@@ -2,7 +2,7 @@
 
 -- | FileInfo defines a data type that captures important information about a
 -- file such as timestamps and permissions.
-module HCat.FileInfo (FileInfo, getFileInfo) where
+module HCat.FileInfo where
 
 import Data.Text (Text)
 import Data.Text qualified as T
@@ -42,4 +42,4 @@ getFileInfo path = do
       fileWritable = Directory.writable perms
       fileExecutable = Directory.executable perms
       filePath = T.pack path
-  return FileInfo{..}
+  pure FileInfo{..}