Repository navigation

Bump next from 15.5.27 to 16.4.0 in /docs #224

Job	Run time
Lint	38s
Pilot Test: Latest Ruby / Rails	1m 55s
Next.js Site Tests	37s
Tests: railties without the rest of Rails	24s
Tests: Ruby 3.4 / Rails 7.2	2m 0s
Tests: Ruby 4.0 / Rails 8.1	1m 50s
Next.js Site Build	2m 17s
Tests: Ruby 3.4 / Rails 8.0	2m 0s
Tests: Ruby 3.3 / Rails 7.1	2m 16s
Deploy the site	-1s
	13m 56s