Relocate start-nvim.sh, start-vim.sh and test-personal-wiki.sh from the
repo root into scripts/, alongside the existing test harnesses. Each
script now derives REPO_ROOT one level up, test-personal-wiki.sh execs
the moved start-vim.sh, and the README + usage comments point at the new
paths.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
