update and use flakes for everything because I broke it with random changes from nixpkgs and I dont like that

lua/plugins/whichkey.lua

@@ -1,32 +1,29 @@
 return {
-  "folke/which-key.nvim",
-  event = "VeryLazy",
-  init = function()
-    vim.o.timeout = true
-    vim.o.timeoutlen = 250
-  end,
-  opts = {
-    window = {
-      border = "single",
-      winblend = 10,
-    },
-  },
-  config = function(_, opts)
-    local wk = require("which-key")
-    wk.setup(opts)
-    wk.register({
-      ["<leader>b"] = { name = "Buffers", mode = { "n", "x", "v" } },
-      ["<leader>t"] = { name = "Tabs", mode = { "n", "x", "v" } },
-      ["<leader>,"] = { name = "Miscellaneous Tools", mode = { "n", "x", "v" } },
-      -- ["<leader>c"] = { name = "Copilot" },
-      ["<leader>f"] = { name = "Find [Telescope]", mode = { "n", "x", "v" } },
-      -- ["<leader>fs"] = { name = "Find in Scratches [Telescope]" },
-      ["<leader>g"] = { name = "Git", mode = { "n", "x", "v" } },
-      ["<leader>l"] = { name = "LSP", mode = { "n", "x", "v" } },
-      ["<leader>lf"] = { name = "LSP Find", mode = { "n", "x", "v" } },
-      -- ["<leader>Q"] = { name = "+Q Quit and remove session" },
-      -- ["<leader>s"] = { name = "Scratch Files" },
-      -- ["<leader>x"] = { name = "Generative AI, Ollama" },
-    })
-  end,
+	"folke/which-key.nvim",
+	event = "VeryLazy",
+	init = function()
+		vim.o.timeout = true
+		vim.o.timeoutlen = 250
+	end,
+	opts = {
+		preset = "helix",
+		win = {
+			wo = {
+				winblend = 8,
+			},
+		},
+		spec = {
+			{
+				mode = { "n", "v", "x" },
+				{ "<leader>,", group = "Miscellaneous Tools" },
+				{ "<leader>b", group = "Buffers" },
+				{ "<leader>f", group = "Find [Telescope]" },
+				{ "<leader>g", group = "Git" },
+				{ "<leader>l", group = "LSP" },
+				{ "<leader>lf", group = "LSP Find" },
+				{ "<leader>t", group = "Tabs" },
+			},
+		},
+	},
+  config = true,
 }