add Haskell snippet to write text to a file

Author: ACR1209

snippets/haskell/file-handling/write-to-file.md

@@ -0,0 +1,19 @@
+---
+title: Write to File
+description: Writes text to a file, overwriting any existing content.
+author: ACR1209
+tags: haskell,file,write
+---
+
+```hs
+import System.IO (writeFile)
+
+writeToFile :: FilePath -> String -> IO ()
+writeToFile = writeFile
+
+main :: IO ()
+main = do
+    let file = "example.txt"
+    let content = "This is new content."
+    writeToFile file content
+```