fix: update docusaurus redirects for new documentation structure

- Add redirect from /get-started to /getting-started/quickstart
- Fix /configure-coderabbit to redirect to /getting-started/configure-coderabbit
- Update redirects for integration and platform paths
- Ensure all legacy paths correctly map to new documentation structure

Resolves 404 issues with old documentation links

Author: tyaga001

docusaurus.config.ts

@@ -41,8 +41,8 @@ const config: Config = {
 			{
 				redirects: [
 					{
-						from: "/get-started",
-						to: "/getting-started/configure-coderabbit",
+						from: "/get-started/",
+						to: "/getting-started/quickstart/",
 					},
 					{
 						from: "/guides/customize-coderabbit",
@@ -80,6 +80,15 @@ const config: Config = {
 						from: "/platforms/self-hosted-github",
 						to: "/platforms/github-enterprise-server",
 					},
+					{
+						to: '/getting-started/configure-coderabbit',
+						from: [
+							'/configure-coderabbit',
+							'/configure-coderabbit/',
+							'/guides/configure-coderabbit',
+							'/guides/configure-coderabbit/',
+						],
+					},
 				],
 			},
 		],