feat: enable plugins in demo router configuration of fly

[JivusAyrus]

Summary by CodeRabbit

• New Features
  • Enabled plugins in the demo environment, activating plugin-based capabilities for the router.

Checklist

• I have discussed my proposed changes in an issue and have received approval to proceed.
• I have followed the coding standards of the project.
• Tests or benchmarks have been added or updated.
• Documentation has been updated on https://github.com/wundergraph/cosmo-docs.
• I have read the Contributors Guide.

[coderabbitai]

Walkthrough

Added a new environment variable PLUGINS_ENABLED="true" to the env section of demo-router.fly.toml. No other modifications.

Changes

Cohort / File(s)	Change Summary
Config: Fly deployment env demo-router.fly.toml	Inserted PLUGINS_ENABLED="true" in the env block (after CACHE_WARMUP_ENABLED). No other lines changed.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

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[coderabbitai]

Actionable comments posted: 0

🧹 Nitpick comments (1)

demo-router.fly.toml (1)

16-16: Optional: add a clarifying inline comment and update docs.

A short comment helps future readers, and the docs checklist in the PR is unchecked. Consider documenting this flag in cosmo-docs and adding a brief note here.

Proposed inline comment:

-PLUGINS_ENABLED="true"
+PLUGINS_ENABLED="true" # enable router plugin system in demo on Fly

If you want, I can draft a short doc blurb for cosmo-docs covering this flag and its expected values.

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📥 Commits

Reviewing files that changed from the base of the PR and between 49637ab and bfc7ec8.

📒 Files selected for processing (1)

• demo-router.fly.toml (1 hunks)

⏰ Context from checks skipped due to timeout of 90000ms. You can increase the timeout in your CodeRabbit configuration to a maximum of 15 minutes (900000ms). (2)

• GitHub Check: Analyze (go)
• GitHub Check: Analyze (javascript-typescript)

🔇 Additional comments (1)

demo-router.fly.toml (1)

16-16: Confirm PLUGINS_ENABLED is read and parsed correctly

I ran searches across the repo for any references to PLUGINS_ENABLED (e.g. in os.Getenv, config‐loader struct tags, boolean parsing, etc.) and only found its declaration in demo-router.fly.toml. No code appears to actually read or compare against this env var.

Please verify that your router’s configuration loader:

• Reads the environment variable named PLUGINS_ENABLED (exactly).
• Expects the literal string "true" (not 1, unquoted true, or a different key).

If you’re using a struct‐tag‐based loader (e.g. envconfig), ensure the tag is set to PLUGINS_ENABLED. Otherwise, update either the code or the TOML so they match.

[StarpTech]

LGTM