Document Duration data type support

Author: jorgebay

doc/features/datatypes/README.md

@@ -12,6 +12,7 @@ counter|[Long / BigInt](numerical)
 date|[LocalDate](datetime)
 decimal|[BigDecimal](numerical)
 double|[Number](numerical)
+duration/[Duration](/api/module.types/class.Duration/)
 float|[Number](numerical)
 inet|[InetAddress](/api/module.types/class.InetAddress/)
 int|[Number](numerical)

docs.yaml

@@ -38,7 +38,7 @@ links:
     href:  https://www.npmjs.org/package/cassandra-driver
 versions:
   - name: '4.5'
-    ref: 'master'
+    ref: '4.5'
   - name: '4.4'
     ref: '4.4'
   - name: '4.3'