Update descriptions in show index columns

was missing vector type and the entity type values was odd (now they're aligned with the constraints one and more accurate to what values it actually returns)

Author: Hunterness

modules/ROOT/pages/indexes/search-performance-indexes/managing-indexes.adoc

@@ -954,11 +954,11 @@ The below table contains the full information about all columns returned by the
 | `FLOAT`
 
 | `type`
-| The IndexType of this index (`FULLTEXT`, `LOOKUP`, `POINT`, `RANGE`, or `TEXT`). label:default-output[]
+| The IndexType of this index (`FULLTEXT`, `LOOKUP`, `POINT`, `RANGE`, `TEXT`, or `VECTOR`). label:default-output[]
 | `STRING`
 
 | `entityType`
-| Type of entities this index represents (nodes or relationship). label:default-output[]
+| Type of entities this index represents (`NODE` or `RELATIONSHIP`). label:default-output[]
 | `STRING`
 
 | `labelsOrTypes`