feat(recipes): add heirline-tabline-buffer-number (#1423)

* feat(recipes): add heirline-tabline-buffer-number

* Update lua/astrocommunity/recipes/heirline-tabline-buffer-number/init.lua

* update example image

---------

Co-authored-by: Micah Halter <[email protected]>
Co-authored-by: Micah Halter <[email protected]>

Author: Kamilcuk

lua/astrocommunity/recipes/heirline-tabline-buffer-number/README.md

@@ -0,0 +1,7 @@
+# heirline.nvim add buffer number before the name to tabline
+
+Add buffer number underscored before the filename in hierline tabline in the top.
+
+This makes navigation with `:b<num>` much easier.
+
+![Example screenshot](./heirline-tabline-buffer-number.png)

lua/astrocommunity/recipes/heirline-tabline-buffer-number/heirline-tabline-buffer-number.png

@@ -0,0 +1,24 @@
+return {
+  "heirline.nvim",
+  specs = {
+    {
+      "AstroNvim/astroui",
+      ---@type AstroUIOpts
+      opts = {
+        status = {
+          attributes = {
+            bufnr = { bold = true, underline = true },
+          },
+        },
+      },
+    },
+  },
+  opts = function(_, opts)
+    -- overwrite https://github.com/AstroNvim/AstroNvim/blob/main/lua/astronvim/plugins/heirline.lua#L114
+    local status = require "astroui.status"
+
+    opts.tabline[2] = status.heirline.make_buflist(
+      status.component.tabline_file_info { bufnr = { hl = status.hl.get_attributes "bufnr" } }
+    )
+  end,
+}