fix: SSO Redirects (#281)

# Description

Add redirects to individual pages that were shared out to larger
community, but stopped working after the latest docs redesign

redirects.ts

@@ -21,6 +21,16 @@ const docsReorgRedirects = {
   '/build/start-coding/zksync-101': { redirect: '/zksync-era/guides/zksync-101' },
   '/build/zksync-cli': { redirect: '/zksync-era/tooling/zksync-cli' },
   '/build/zksync-sso': { redirect: '/zksync-era/unique-features/zksync-sso' },
+  '/build/zksync-sso/getting-started': { redirect: '/zksync-era/unique-features/zksync-sso/getting-started' },
+  '/build/zksync-sso/architecture': { redirect: '/zksync-era/unique-features/zksync-sso/architecture' },
+  '/build/zksync-sso/features': { redirect: '/zksync-era/unique-features/zksync-sso/features' },
+  '/build/zksync-sso/interfaces': { redirect: '/zksync-era/unique-features/zksync-sso/interfaces' },
+  '/build/zksync-sso/transaction-flow': { redirect: '/zksync-era/unique-features/zksync-sso/transaction-flow' },
+  '/build/zksync-sso/transaction-fees': { redirect: '/zksync-era/unique-features/zksync-sso/transaction-fees' },
+  '/build/zksync-sso/supported-environments': {
+    redirect: '/zksync-era/unique-features/zksync-sso/supported-environments',
+  },
+  '/build/zksync-sso/faqs': { redirect: '/zksync-era/unique-features/zksync-sso/faqs' },
   '/build/tooling/zksync-block-explorers': { redirect: '/zksync-era/tooling/block-explorers' },
   '/build/tooling/hardhat': { redirect: '/zksync-era/tooling/hardhat' },
   '/build/tooling/foundry': { redirect: '/zksync-era/tooling/foundry' },