Add boilerplate

.gitignore

@@ -5,4 +5,5 @@
 .direnv
 .helix
 .pre-commit-config.yaml
+dist-newstyle
 result

app/Main.hs

@@ -0,0 +1,8 @@
+-- SPDX-FileCopyrightText: 2025 Ethan Reece <contact@ethanreece.com>
+--
+-- SPDX-License-Identifier: MIT
+
+module Main where
+
+main :: IO ()
+main = putStrLn "Hello, Haskell!"

nix-flake-haskell-template.cabal

@@ -0,0 +1,84 @@
+cabal-version:      3.8
+
+-- SPDX-FileCopyrightText: 2025 Ethan Reece <contact@ethanreece.com>
+--
+-- SPDX-License-Identifier: MIT
+
+-- The cabal-version field refers to the version of the .cabal specification,
+-- and can be different from the cabal-install (the tool) version and the
+-- Cabal (the library) version you are using. As such, the Cabal (the library)
+-- version used must be equal or greater than the version stated in this field.
+-- Starting from the specification version 2.2, the cabal-version field must be
+-- the first thing in the cabal file.
+
+-- Initial package description 'nix-flake-haskell-template' generated by
+-- 'cabal init'. For further documentation, see:
+--   http://haskell.org/cabal/users-guide/
+--
+-- The name of the package.
+name:               nix-flake-haskell-template
+
+-- The package version.
+-- See the Haskell package versioning policy (PVP) for standards
+-- guiding when and how versions should be incremented.
+-- https://pvp.haskell.org
+-- PVP summary:     +-+------- breaking API changes
+--                  | | +----- non-breaking API additions
+--                  | | | +--- code changes with no API change
+version:            0.1.0.0
+
+-- A short (one-line) description of the package.
+-- synopsis:
+
+-- A longer description of the package.
+-- description:
+
+-- URL for the project homepage or repository.
+homepage:           https://git.sudoer777.dev/me/nix-flake-haskell-template/
+
+-- The license under which the package is released.
+license:            MIT
+
+-- The file containing the license text.
+license-file:       LICENSE
+
+-- The package author(s).
+author:             Ethan Reece
+
+-- An email address to which users can send suggestions, bug reports, and patches.
+maintainer:         contact@ethanreece.com
+
+-- A copyright notice.
+-- copyright:
+build-type:         Simple
+
+-- Extra doc files to be distributed with the package, such as a CHANGELOG or a README.
+extra-doc-files:    CHANGELOG.md
+
+-- Extra source files to be distributed with the package, such as examples, or a tutorial module.
+-- extra-source-files:
+
+common warnings
+    ghc-options: -Wall
+
+executable nix-flake-haskell-template
+    -- Import common warning flags.
+    import:           warnings
+
+    -- .hs or .lhs file containing the Main module.
+    main-is:          Main.hs
+
+    -- Modules included in this executable, other than Main.
+    -- other-modules:
+
+    -- LANGUAGE extensions used by modules in this package.
+    -- other-extensions:
+
+    -- Other library packages from which modules are imported.
+    build-depends:    base ^>=4.19.2.0
+
+    -- Directories containing source files.
+    hs-source-dirs:   app
+
+    -- Base language which the package is written in.
+    default-language: GHC2021