feat(extras): add just support

lua/lazyvim/plugins/extras/lang/just.lua

@@ -0,0 +1,29 @@
+return {
+  recommended = function()
+    return LazyVim.extras.wants({
+      ft = "just",
+      root = { "justfile", ".justfile" },
+    })
+  end,
+  {
+    "nvim-treesitter/nvim-treesitter",
+    opts = { ensure_installed = { "just" } },
+  },
+  {
+    "neovim/nvim-lspconfig",
+    opts = {
+      servers = {
+        just = {},
+      },
+    },
+  },
+  {
+    "stevearc/conform.nvim",
+    optional = true,
+    opts = {
+      formatters_by_ft = {
+        just = { "just" },
+      },
+    },
+  },
+}