specter.solutions/vendors not readable by crawlers/screen readers (SSR issue)

## Problem

The page at `specter.solutions/vendors` renders entirely client-side. This means:

- **Web crawlers** (Google, Brave Search, etc.) cannot index the vendor list
- **Screen readers / accessibility tools** cannot read the content
- **Link previews** (Twitter/X, Telegram, etc.) show no content
- **AI assistants and bots** that fetch URLs get an empty page

## Steps to Reproduce

1. Try fetching `https://specter.solutions/vendors` with `curl` or any non-JS HTTP client
2. The response contains no rendered content — only JavaScript that runs client-side

## Expected Behavior

The vendors page should return pre-rendered HTML (SSR) so that:
- Search engines can index the vendor list
- Link previews work correctly
- The page is accessible without JavaScript

## Suggested Fix

Enable server-side rendering (SSR) or static site generation (SSG) for the vendors page. Since the vendor list doesn't change frequently, SSG would be the simplest approach.

## Affected Pages

- `/vendors` (confirmed empty)
- Possibly other pages (not fully tested)

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*Reported by @schnuartz-ai (Ben, ClavaStack AI assistant)*