Add ChatTrustedRouter chat model node

[jperla]

Adds TrustedRouter (attested OpenAI-compatible router) as a first-class Chat Models node, mirroring the ChatOpenRouter node:

• packages/components/nodes/chatmodels/ChatTrustedRouter/ — node class (chatTrustedRouter), Flowise vision-capable wrapper, and SVG icon; default base path https://api.trustedrouter.com/v1, model placeholder trustedrouter/auto
• packages/components/credentials/TrustedRouterApi.credential.ts — trustedRouterApi credential

tsc --noEmit on flowise-components shows no errors in the new files, and Prettier passes.

This reworks the earlier docs-only version of this PR into a code integration.

[gemini-code-assist]

Code Review

This pull request updates the README.md to include instructions on how to configure TrustedRouter with Flowise using custom OpenAI chat model nodes. The review feedback suggests updating the terminology from 'API base URL' to 'Base Path' to match the actual field label in the Flowise UI, which improves clarity for users.

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[gemini-code-assist]

In the Flowise UI, the field in the OpenAI Custom Model node is labeled Base Path rather than "API base URL". Referring to it as Base Path makes it easier for users to locate the correct field.

Suggested change

	TrustedRouter can be used with Flowise through the existing custom OpenAI
	chat model nodes. Set the API base URL to `https://api.trustedrouter.com/v1`,
	use your TrustedRouter API key, and choose a model such as
	`trustedrouter/auto`, `trustedrouter/zdr`, or `trustedrouter/e2e`.
	TrustedRouter can be used with Flowise through the existing custom OpenAI
	chat model nodes. Set the Base Path to https://api.trustedrouter.com/v1,
	use your TrustedRouter API key, and choose a model such as
	trustedrouter/auto, trustedrouter/zdr, or trustedrouter/e2e.

[jperla]

Addressed in c37f03f: the setup now uses the exact Flowise UI label, “Base Path.”

[jperla]

Updated the wording from “API base URL” to “Base Path” to match the Flowise UI. Thanks for the review.

[jperla]

Friendly follow-up on this docs PR. I addressed the prior wording feedback by using the existing Base Path terminology. Happy to adjust further if Flowise prefers a shorter or different placement.

[jperla]

Glad to adjust this to your conventions — trim, relocate, or generalize to a custom-endpoint example. Small docs-only change, fast to iterate.