YNU-864: Build front door rewrite

docs/nitrolite/learn/index.mdx

@@ -56,7 +56,7 @@ Detailed v1 protocol flow documentation for deposits, withdrawals, transfers, an
 
 After completing the Learn section, continue to:
 
-- **[Build](/nitrolite/build/quick-start)** — Implement complete Yellow Applications
+- **[Build](/nitrolite/build/getting-started/quickstart)** — Implement complete Yellow Applications
 - **[Protocol](/nitrolite/protocol/introduction)** — Authoritative protocol specification
 
 ---

docs/nitrolite/learn/introduction/supported-chains.mdx

@@ -293,6 +293,6 @@ const productionAllocations = [
 
 ## See Also
 
-- [Quick Start Guide](/nitrolite/build/quick-start) — Get started building with Yellow SDK
+- [Quick Start Guide](/nitrolite/build/getting-started/quickstart) — Get started building with Yellow SDK
 - [Multi-Party App Sessions](/nitrolite/build/sdk/multi-party-app-sessions) — Create multi-party application sessions
 - [API Reference](/nitrolite/api-reference) — Complete SDK documentation

docusaurus.config.ts

@@ -155,8 +155,8 @@ const config: Config = {
           customProps: { showOn: 'nitrolite' },
         },
         {
-          type: 'doc',
-          docId: 'build/quick-start/index',
+          to: '/nitrolite/build/getting-started/quickstart',
+          activeBasePath: '/nitrolite/build',
           label: 'Build',
           position: 'left',
           customProps: { showOn: 'nitrolite' },
@@ -231,7 +231,7 @@ const config: Config = {
             },
             {
               label: 'Build',
-              to: '/nitrolite/build/quick-start',
+              to: '/nitrolite/build/getting-started/quickstart',
             },
             {
               label: 'Protocol',