Add more redirects (#297)

Author: remotesynth

public/_redirects

@@ -819,5 +819,8 @@
 /snowflake/features/materalized-views/ /snowflake/features/materialized-views/ 301
 /snowflake/features/materalized-views/ /snowflake/features/materialized-views/ 301
 /user-guide/ci /aws/integrations/continuous-integration/ 301
+/user-guide/ci/ /aws/integrations/continuous-integration/ 301
+/aws/user-guide/ci /aws/integrations/continuous-integration/ 301
+/aws/user-guide/ci/ /aws/integrations/continuous-integration/ 301
 /aws/tooling/lambda-tools/vscode-extension/ /aws/tooling/vscode-extension/ 301
 /aws/tooling/lambda-tools/vscode-extension /aws/tooling/vscode-extension/ 301