feat(nvim): add hardtime plugin

nvim/lua/olinpin/plugins/hardtime.lua

@@ -0,0 +1,9 @@
+return {
+	"m4xshen/hardtime.nvim",
+	lazy = false,
+	dependencies = { "MunifTanjim/nui.nvim" },
+	opts = {},
+	config = function(_, opts)
+		require("hardtime").setup(opts)
+	end,
+}