feat: proxy /api/* on main domain to API server via rpx pathRewrites

Adds pathRewrites config so training.localhost/api/* routes to the API
server on PORT_API, while api.training.localhost continues to work.
Closes #1833.

Author: glennmichael123

storage/framework/core/buddy/src/commands/dev.ts

@@ -381,7 +381,7 @@ async function startReverseProxy(options: DevOptions): Promise<void> {
     // Use multi-proxy mode so rpx generates a SINGLE cert covering all domains
     await startProxies({
       proxies: [
-        { from: `localhost:${frontendPort}`, to: domain, cleanUrls: false },
+        { from: `localhost:${frontendPort}`, to: domain, cleanUrls: false, pathRewrites: [{ from: '/api', to: `localhost:${apiPort}`, stripPrefix: false }] },
         { from: `localhost:${apiPort}`, to: apiDomain, cleanUrls: false },
         { from: `localhost:${docsPort}`, to: docsDomain, cleanUrls: false },
         { from: `localhost:${dashboardPort}`, to: dashboardDomain, cleanUrls: false },