Fix "current stage of a USD stage" -> "current state of a USD stage" typo

[hikmetba-bit]

docs/stage-setting/stage.md line 92, describing UsdStage::Save:

Saves the current stage of a USD stage back to a file.

"stage of a USD stage" doesn't parse — the rest of the sentence describes saving the stage's edited layers back to disk, i.e. its current state:

Saves the current state of a USD stage back to a file.

Verified this is the only occurrence of the typo in the file; the rest of the "current stage" usages elsewhere are correct.

Fixes #96

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[dillonbbailey]

Thanks! The fix is correct: "current stage of a USD stage" was a typo for "state", and this is the only instance in docs/.

Must fix before merge

• DCO sign-off missing. CONTRIBUTING.md requires a Signed-off-by: line on every commit, and unsigned commits can't be accepted. Commit 692f34f only has a Co-Authored-By trailer.

• Commit author identity. The commit is authored as noreply@anthropic.com, so it isn't tied to your GitHub identity, and a sign-off only means something under your own name and email. With your git config set to your own identity, run:

  git commit --amend --reset-author -s --no-edit
  git push --force-with-lease

Optional

• Same bullet: "all edited layers that contribute to the stage are being saved" would read better as "are saved". Fine to include here or leave.

Also a thank-you to @NGGW519 for reporting this in #96.

🤖 Review assisted by Claude Code

[NGGW519]

FYI, I opened #100 as a signed-off alternative that also includes the optional "are saved" wording.

As the reporter of #96, I had offered to submit the fix once the issue was confirmed, so I'd appreciate it if #100 could be considered. It's ready to merge as-is. That said, I'll defer to your decision, @dillonbbailey.