docs(ecosystem): add opencode-vibeguard (#15464)

Author: inkdust2021

packages/web/src/content/docs/ecosystem.mdx

@@ -26,6 +26,7 @@ You can also check out [awesome-opencode](https://github.com/awesome-opencode/aw
 | [opencode-devcontainers](https://github.com/athal7/opencode-devcontainers)                                | Multi-branch devcontainer isolation with shallow clones and auto-assigned ports                   |
 | [opencode-google-antigravity-auth](https://github.com/shekohex/opencode-google-antigravity-auth)          | Google Antigravity OAuth Plugin, with support for Google Search, and more robust API handling     |
 | [opencode-dynamic-context-pruning](https://github.com/Tarquinen/opencode-dynamic-context-pruning)         | Optimize token usage by pruning obsolete tool outputs                                             |
+| [opencode-vibeguard](https://github.com/inkdust2021/opencode-vibeguard)                                   | Redact secrets/PII into VibeGuard-style placeholders before LLM calls; restore locally             |
 | [opencode-websearch-cited](https://github.com/ghoulr/opencode-websearch-cited.git)                        | Add native websearch support for supported providers with Google grounded style                   |
 | [opencode-pty](https://github.com/shekohex/opencode-pty.git)                                              | Enables AI agents to run background processes in a PTY, send interactive input to them.           |
 | [opencode-shell-strategy](https://github.com/JRedeker/opencode-shell-strategy)                            | Instructions for non-interactive shell commands - prevents hangs from TTY-dependent operations    |