means to add files in a cabal package

holy-project.cabal

@@ -14,6 +14,7 @@ maintainer:             Yann.Esposito@gmail.com
 category:               Unknown
 build-type:             Simple
 -- extra-source-files:
+data-files:             scaffold/gitignore
 cabal-version:          >=1.10
 
 executable holy-project

scaffold/gitignore

@@ -0,0 +1,6 @@
+.cabal-sandbox
+cabal.sandbox.config
+dist
+*.swp
+*~
+.ghci

src/Main.hs

@@ -5,6 +5,7 @@ import Data.List            (intersperse)
 import Data.List.Split
 import System.Console.ANSI
 import System.IO            (hFlush, stdout)
+import Paths_holy_project
 
 -- | Record containing all information to initialize a project
 data Project = Project {
@@ -111,4 +112,7 @@ capitalize str = concat (map capitalizeWord (splitOneOf " -" str))
 
 
 createProject :: Project -> IO ()
-createProject p = putStrLn "I'm not a witch, I'm not a witch!"
+createProject p = do
+    putStrLn "I'm not a witch, I'm not a witch!"
+    filepath <- getDataFileName "scaffold/gitignore"
+    putStrLn filepath