redirects for folding into v4.x

Author: rustagir

config/redirects

@@ -1,6 +1,6 @@
 define: prefix docs/drivers/php/laravel-mongodb
 define: base https://www.mongodb.com/${prefix}
-define: versions v4.1 v4.2 v4.3 v4.4 v4.5 v4.6 v4.7 master
+define: versions v4.1 v4.2 v4.3 v4.4 v4.5 v4.6 v4.7 v4.x master
 
 symlink: current -> master
 
@@ -9,4 +9,5 @@ raw: ${prefix}/stable -> ${base}/current/
 
 [*-master]: ${prefix}/${version}/install/ -> ${base}/${version}/quick-start/
 [*-master]: ${prefix}/${version}/retrieve/ -> ${base}/${version}/fundamentals/read-operations/
-[*-v4.2]: ${prefix}/${version}/fundamentals/aggregation-builder -> ${base}/${version}/
+[*-v4.2]: ${prefix}/${version}/fundamentals/aggregation-builder -> ${base}/${version}/
+[*-v4.6]: ${prefix}/${version}/ -> ${base}/v4.x/