docs(wt): document init file preservation

Amolith created 

wt init now copies untracked/ignored files to the worktree before
cleanup.

Assisted-by: Claude Opus 4.5 via Amp

Change summary

skills/managing-and-navigating-worktrees/refs/converting.md | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

Detailed changes

skills/managing-and-navigating-worktrees/refs/converting.md 🔗 

@@ -18,7 +18,8 @@ Converts a standard git repository to bare worktree structure.
 1. Moves `.git/` to `.bare/`
 2. Creates `.git` file pointing to `.bare/`
 3. Creates worktree for current branch
-4. Removes orphaned files from project root
+4. Copies untracked/ignored files to worktree (preserves `.env`, build artifacts, etc.)
+5. Removes orphaned files from project root
 
 ## Example