[TASK] Adds tags as keywords to solr index

data/typo3/html/typo3conf/ext/ter_layout/Configuration/TypoScript/Plugins/Solr.ts

@@ -202,8 +202,11 @@ plugin {
                         }
                     }
 
-                    siteName_stringS = TEXT
-                    siteName_stringS.value = t3o
+                    keywords = SOLR_RELATION
+                    keywords {
+                        localField = tags
+                        multiValue = 1
+                    }
                 }
             }
         }