docs(lua): add vim.pack to _meta.lua #34957

Problem: Goto definition to pack.lua does not work

Solution: Add pack to _meta.lua

Co-authored-by: Nikolai Devolder <nikolai.devolder@yamabiko.eu>

runtime/lua/vim/_meta.lua

@@ -20,6 +20,7 @@ vim.iter = require('vim.iter')
 vim.keymap = require('vim.keymap')
 vim.loader = require('vim.loader')
 vim.lsp = require('vim.lsp')
+vim.pack = require('vim.pack')
 vim.re = require('vim.re')
 vim.secure = require('vim.secure')
 vim.snippet = require('vim.snippet')