nvim-autopairs: init plugin

Also disabled Nix for treesitter temporarily, it's broken right now

plugins/utils/nvim-autopairs.nix

@@ -0,0 +1,59 @@
+{ pkgs, config, lib, ... }:
+with lib;
+let
+  cfg = config.programs.nixvim.plugins.nvim-autopairs;
+  helpers = import ../helpers.nix { lib = lib; };
+in
+{
+  options.programs.nixvim.plugins.nvim-autopairs = {
+    enable = mkEnableOption "Enable nvim-autopairs";
+
+    pairs = mkOption {
+      type = types.nullOr (types.attrsOf types.str);
+      default = null;
+      description = "Characters to pair up";
+    };
+
+    disabledFiletypes = mkOption {
+      type = types.nullOr (types.listOf types.str);
+      default = null;
+      description = "Disabled filetypes";
+    };
+
+    breakLineFiletypes = mkOption {
+      type = types.nullOr (types.listOf types.str);
+      default = null;
+      description = "Filetypes to break lines on";
+    };
+
+    htmlFiletypes = mkOption {
+      type = types.nullOr (types.listOf types.str);
+      default = null;
+      description = "Filetypes to treat as HTML";
+    };
+
+    ignoredNextChar = mkOption {
+      type = types.nullOr types.str;
+      default = null;
+      description = "Regexp to ignore if it matches the next character";
+    };
+  };
+
+  config = let
+    options = {
+      pairs_map = cfg.pairs;
+      disable_filetype = cfg.disabledFiletypes;
+      break_line_filetype = cfg.breakLineFiletypes;
+      html_break_line_filetype = cfg.htmlFiletypes;
+      ignored_next_char = cfg.ignoredNextChar;
+    };
+  in mkIf cfg.enable {
+    programs.nixvim = {
+      extraPlugins = [ pkgs.vimPlugins.nvim-autopairs ];
+
+      extraConfigLua = ''
+        require('nvim-autopairs').setup(${helpers.toLuaObject options})
+      '';
+    };
+  };
+}