feat(util): Add kulala REST-client

Kulala is a minimal REST-client implementation that allows you to make HTTP requests from within Neovim

lua/lazyvim/plugins/extras/util/rest.lua

@@ -0,0 +1,28 @@
+vim.filetype.add({
+  extension = {
+    ["http"] = "http",
+  },
+})
+return {
+  {
+    "mistweaverco/kulala.nvim",
+    ft = "http",
+    keys = {
+      { "<leader>rs", "<cmd>lua require('kulala').run()<cr>", desc = "Send the request" },
+      { "<leader>rt", "<cmd>lua require('kulala').toggle_view()<cr>", desc = "Toggle headers/body" },
+      { "<leader>rp", "<cmd>lua require('kulala').jump_prev()<cr>", desc = "Jump to previous request" },
+      { "<leader>rn", "<cmd>lua require('kulala').jump_next()<cr>", desc = "Jump to next request" },
+    },
+    config = function()
+      require("kulala").setup({})
+    end,
+  },
+  {
+    "nvim-treesitter/nvim-treesitter",
+    opts = function(_, opts)
+      if type(opts.ensure_installed) == "table" then
+        vim.list_extend(opts.ensure_installed, { "http", "lua", "xml", "json", "graphql" })
+      end
+    end,
+  },
+}