Add flash remote keybinding

Had to make the treesitter motion keybiding for assignments a bit weird
but its worth it since flash remote is much more useful.

lua/plugins/which-key.nvim.lua

@@ -383,6 +383,17 @@ return {
                     desc = "Flash Treesitter search ⚡",
                 },
             },
+            {
+                mode = "o",
+                {
+                    "r",
+                    function()
+                        -- https://www.lorenzobettini.it/2025/05/using-flash-remote-in-neovim/
+                        require("flash").remote()
+                    end,
+                    desc = "Flash remote ⚡",
+                },
+            },
             {
                 mode = "c",
                 {