feat(dashboard): added new dashboard snack (#77)

## Description

A new dashboard plugin that comes with sane defaults, and can be fully
customized to your liking.

## Screenshots


![image](https://github.com/user-attachments/assets/944373ea-f443-4c16-bfe0-2dc78101f8f5)


![image](https://github.com/user-attachments/assets/492b075e-168d-4d58-af39-1268c047f374)


![image](https://github.com/user-attachments/assets/53a388c2-ca5a-4efb-94f2-752222f43584)


![image](https://github.com/user-attachments/assets/3c6ee94b-6785-4035-8ed2-2f67f39b5f06)


![image](https://github.com/user-attachments/assets/5b7a7117-e504-4b36-88db-91ccc89d8997)

docs/examples/init.lua

@@ -0,0 +1,81 @@
+-- stylua: ignore
+return {
+  "folke/snacks.nvim",
+  priority = 1000,
+  lazy = false,
+  ---@type snacks.Config
+  opts = {
+    bigfile = { enabled = true },
+    dashboard = { enabled = true },
+    notifier = {
+      enabled = true,
+      timeout = 3000,
+    },
+    quickfile = { enabled = true },
+    statuscolumn = { enabled = true },
+    words = { enabled = true },
+    styles = {
+      notification = {
+        wo = { wrap = true } -- Wrap notifications
+      }
+    }
+  },
+  keys = {
+    { "<leader>un", function() Snacks.notifier.hide() end, desc = "Dismiss All Notifications" },
+    { "<leader>bd", function() Snacks.bufdelete() end, desc = "Delete Buffer" },
+    { "<leader>gg", function() Snacks.lazygit() end, desc = "Lazygit" },
+    { "<leader>gb", function() Snacks.git.blame_line() end, desc = "Git Blame Line" },
+    { "<leader>gB", function() Snacks.gitbrowse() end, desc = "Git Browse" },
+    { "<leader>gf", function() Snacks.lazygit.log_file() end, desc = "Lazygit Current File History" },
+    { "<leader>gl", function() Snacks.lazygit.log() end, desc = "Lazygit Log (cwd)" },
+    { "<leader>cR", function() Snacks.rename.rename_file() end, desc = "Rename File" },
+    { "<c-/>",      function() Snacks.terminal() end, desc = "Toggle Terminal" },
+    { "<c-_>",      function() Snacks.terminal() end, desc = "which_key_ignore" },
+    { "]]",         function() Snacks.words.jump(vim.v.count1) end, desc = "Next Reference", mode = { "n", "t" } },
+    { "[[",         function() Snacks.words.jump(-vim.v.count1) end, desc = "Prev Reference", mode = { "n", "t" } },
+    {
+      "<leader>N",
+      desc = "Neovim News",
+      function()
+        Snacks.win({
+          file = vim.api.nvim_get_runtime_file("doc/news.txt", false)[1],
+          width = 0.6,
+          height = 0.6,
+          wo = {
+            spell = false,
+            wrap = false,
+            signcolumn = "yes",
+            statuscolumn = " ",
+            conceallevel = 3,
+          },
+        })
+      end,
+    }
+  },
+  init = function()
+    vim.api.nvim_create_autocmd("User", {
+      pattern = "VeryLazy",
+      callback = function()
+        -- Setup some globals for debugging (lazy-loaded)
+        _G.dd = function(...)
+          Snacks.debug.inspect(...)
+        end
+        _G.bt = function()
+          Snacks.debug.backtrace()
+        end
+        vim.print = _G.dd -- Override print to use snacks for `:=` command
+
+        -- Create some toggle mappings
+        Snacks.toggle.option("spell", { name = "Spelling" }):map("<leader>us")
+        Snacks.toggle.option("wrap", { name = "Wrap" }):map("<leader>uw")
+        Snacks.toggle.option("relativenumber", { name = "Relative Number" }):map("<leader>uL")
+        Snacks.toggle.diagnostics():map("<leader>ud")
+        Snacks.toggle.line_number():map("<leader>ul")
+        Snacks.toggle.option("conceallevel", { off = 0, on = vim.o.conceallevel > 0 and vim.o.conceallevel or 2 }):map("<leader>uc")
+        Snacks.toggle.treesitter():map("<leader>uT")
+        Snacks.toggle.option("background", { off = "light", on = "dark", name = "Dark Background" }):map("<leader>ub")
+        Snacks.toggle.inlay_hints():map("<leader>uh")
+      end,
+    })
+  end,
+}