* helpers: Correctly print bool values as true/false * helpers: Add helpers to make nullable enums with default values * gitsigns: Refactor to use nullable options
* moved helpers to lib folder * Created proxy file for helpers.nix * wrappers: removed code duplication * null-ls: fix wrong name of variable * added warnings module * Added assertions * bufferline: deprecated option * nvim-tree: renamed options * Fixed mkRenamedOption * Bufferline: added new options * Fixed deprecated option Co-authored-by: Pedro Alves <pta2002@pta2002.com>