feat(extras): add lua to extras

lua/astrotheme/extras/init.lua

@@ -9,8 +9,9 @@ local M = {}
 -- stylua: ignore
 M.extras = {
   -- Keep all entries here aligned by the first `=` sign
-  wezterm = { ext = "toml", url = "https://wezfurlong.org/wezterm/config/files.html", label = "WezTerm" },
+  lua     = { ext = "lua", url = "https://www.lua.org", label = "Lua Table for testing" },
   vim     = { ext = "vim", url = "https://vimhelp.org/", label = "Vim", subdir = "colors"},
+  wezterm = { ext = "toml", url = "https://wezfurlong.org/wezterm/config/files.html", label = "WezTerm" },
 }
 
 function M.setup()

lua/astrotheme/extras/lua.lua

@@ -0,0 +1,18 @@
+local M = {}
+
+--- @param colors AstroThemePalette
+--- @param highlights table<string, vim.api.keyset.highlight>
+function M.generate(colors, highlights)
+  colors = vim.deepcopy(colors)
+  colors._upstream_url = nil
+  colors._style_name = nil
+
+  local ret = "local colors = "
+    .. vim.inspect(colors)
+    .. "\n\nlocal highlights = "
+    .. vim.inspect(vim.deepcopy(highlights, true))
+    .. "\n"
+  return ret
+end
+
+return M