Add vim-hardtime

- Hardtime will help me to lose bad nvim habits
diff --git a/modules/neovim/hardtime/default.nix b/modules/neovim/hardtime/default.nix
new file mode 100644
index 0000000..b7df190
--- /dev/null
+++ b/modules/neovim/hardtime/default.nix
@@ -0,0 +1,7 @@
+{pkgs, ...}: {
+  programs.neovim = {
+    plugins = [pkgs.vim-hardtime];
+    extraConfig = builtins.readFile ./hardtime.vim;
+  };
+}
+
diff --git a/modules/neovim/hardtime/hardtime.vim b/modules/neovim/hardtime/hardtime.vim
new file mode 100644
index 0000000..f934d7e
--- /dev/null
+++ b/modules/neovim/hardtime/hardtime.vim
@@ -0,0 +1,3 @@
+let g:list_of_disabled_keys = ["<UP>", "<DOWN>", "<LEFT>", "<RIGHT>"]
+let g:hardtime_showmsg = 1
+let g:hardtime_allow_different_key = 1