Add redirect for broken 4.3 RHACS link

Author: kcarmichael08

.s2i/httpd-cfg/01-commercial.conf

@@ -147,6 +147,8 @@ AddType text/vtt                            vtt
     RewriteRule ^acs/(3\.65|3\.66|3\.67|3\.68|3\.69|3\.70|3\.71|3\.72|3\.73|3\.74|4\.0|4\.1|4\.2|4\.3)/?$ /acs/$1/welcome/index.html [L,R=301]
     #redirect for 4.0 Manage vulneribility page
     RewriteRule ^(acs/(?:4\.0/)?)?operating/manage-vulnerabilities\.html$ /acs/4.0/operating/manage-vulnerabilities/vulnerability-management.html [NE,R=301]
+    #redirect for missing 4.3 page
+    RewriteRule ^(acs/(?:4\.3/)?)?installing/acs-installation-platforms\.html$ /acs/4.3/installing/acs-high-level-overview.html [NE,R=301]
 
       # remove aro docs to just the welcome page
     RewriteRule aro/4/(?!welcome)(.*)?$ /container-platform/latest/$1 [L,R=301]