update libuv tutorial link

README.md

@@ -981,7 +981,7 @@ The plugin uses the [Debug Adapter Protocol](https://microsoft.github.io/debug-a
 
 - [Official documentation for LibUV](https://docs.libuv.org/en/v1.x/)
 - [Luv documentation](https://github.com/luvit/luv/blob/master/docs.md)
-- [teukka.tech - Using LibUV in Neovim](https://teukka.tech/vimloop.html)
+- [teukka.tech - Using LibUV in Neovim](https://teukka.tech/posts/2020-01-07-vimloop/)
 
 See also:
 - `:help vim.loop`

doc/nvim-lua-guide.txt

@@ -1218,7 +1218,8 @@ vim.loop~
 
 -  Official documentation for LibUV: https://docs.libuv.org/en/v1.x/
 -  Luv documentation: https://github.com/luvit/luv/blob/master/docs.md
--  teukka.tech - Using LibUV in Neovim: https://teukka.tech/vimloop.html
+-  teukka.tech - Using LibUV in Neovim:
+https://teukka.tech/posts/2020-01-07-vimloop/
 
 See also:
 - |vim.loop|