docs: Add OPENROUTER_API_KEY to .env.example
From the PR description
Add OPENROUTER_API_KEY to the .env.example file to document the required environment variable for OpenRouter API integration.
Commits in this PR (1)
| SHA | Subject | Author | Date | |
|---|---|---|---|---|
4a520764 | docs: Add OPENROUTER_API_KEY to .env.example | Railway Agent | 2026-06-28 | ↗ GitHub |
Add `OPENROUTER_API_KEY` to the `.env.example` file to document the required environment variable for OpenRouter API integration. | ||||
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