feat(tools): Introduce ormolu for formatting Haskell code

tools/bin/__dispatch.sh

@@ -13,9 +13,6 @@ case "${TARGET_TOOL}" in
   git-appraise)
     attr="thirdParty.gitAppraise"
     ;;
-  stylish-haskell)
-    attr="haskellPackages.stylish-haskell"
-    ;;
   terraform)
     attr="terraform-gcp"
     ;;
@@ -25,6 +22,9 @@ case "${TARGET_TOOL}" in
   blog_cli)
     attr="tazjin.blog_cli"
     ;;
+  ormolu)
+    attr="ormolu"
+    ;;
   *)
     echo "The tool '${TARGET_TOOL}' is currently not installed in this repository."
     exit 1