DOCSP-38350 - fix redirects (#959)

config/redirects

@@ -3,6 +3,8 @@ define: kafka https://www.mongodb.com/docs/kafka-connector/current
 define: manual https://www.mongodb.com/docs/manual
 define: atlas https://www.mongodb.com/docs/atlas
 define: devhub https://www.mongodb.com/developer
+define: languages-base https://www.mongodb.com/docs/languages
+define: cpp-driver-base ${languages-base}/cpp/cpp-driver/current
 
 # Go
 
@@ -40,16 +42,16 @@ raw: docs/drivers/syntax-table -> ${base}/
 
 # cpp
 
-raw: docs/drivers/tutorial/download-and-compile-cpp-driver -> https://www.mongodb.com/docs/languages/cpp/drivers/current/installation/
-raw: docs/drivers/tutorial/getting-started-with-cpp-driver -> https://www.mongodb.com/docs/languages/cpp/drivers/current/tutorial/
-raw: docs/drivers/cpp-bson-array-examples -> https://www.mongodb.com/docs/languages/cpp/drivers/current/working-with-bson/
-raw: docs/drivers/cpp-bson-helper-functions -> https://www.mongodb.com/docs/languages/cpp/drivers/current/working-with-bson/
-raw: docs/drivers/cpp-to-sql-to-mongo-shell -> https://www.mongodb.com/docs/languages/cpp/drivers/current/
+raw: docs/drivers/tutorial/download-and-compile-cpp-driver -> languages/installation/
+raw: docs/drivers/tutorial/getting-started-with-cpp-driver -> ${cpp-driver-base}/tutorial/
+raw: docs/drivers/cpp-bson-array-examples -> ${cpp-driver-base}/working-with-bson/
+raw: docs/drivers/cpp-bson-helper-functions -> ${cpp-driver-base}/working-with-bson/
+raw: docs/drivers/cpp-to-sql-to-mongo-shell -> ${cpp-driver-base}
 raw: docs/drivers/tutorial/download-and-compile-cpp-driver-legacy -> https://mongocxx.org/legacy-v1/
-raw: docs/drivers/tutorial/authenticate-with-cpp-driver -> https://www.mongodb.com/docs/languages/cpp/drivers/current/configuration/#configuring-authentication
-raw: docs/drivers/cxx -> docs/drivers/cpp
-raw: docs/drivers/cxx/index -> docs/drivers/cpp
-raw: /docs/languages/cxx -> /docs/languages/cpp
+raw: docs/drivers/tutorial/authenticate-with-cpp-driver -> ${cpp-driver-base}/configuration/#configuring-authentication
+raw: docs/drivers/cxx -> ${cpp-driver-base}
+raw: docs/drivers/cxx/index -> ${cpp-driver-base}
+raw: /docs/languages/cxx -> ${cpp-driver-base}
 
 # csharp
 
@@ -210,8 +212,8 @@ raw: docs/ecosystem/ -> ${base}/
 
 raw: docs/drivers/drivers/ -> ${base}/
 raw: docs/drivers/drivers/c/ -> ${base}/c/
-raw: docs/drivers/drivers/cxx/ -> https://www.mongodb.com/docs/languages/cpp/drivers/current/
-raw: docs/drivers/drivers/cpp/ -> https://www.mongodb.com/docs/languages/cpp/drivers/current/
+raw: docs/drivers/drivers/cxx/ -> ${cpp-driver-base}
+raw: docs/drivers/drivers/cpp/ -> ${cpp-driver-base}
 raw: docs/drivers/drivers/csharp/ -> ${base}/csharp/current/
 raw: docs/drivers/drivers/go/ -> ${base}/go/current/
 raw: docs/drivers/drivers/java/ -> ${base}/java-drivers/