JS: Add metric for number of types with qualified names

javascript/ql/src/meta/types/TypesWithQualifiedName.ql

@@ -0,0 +1,14 @@
+/**
+ * @name Types with qualified name
+ * @description The number of type annotations with a qualified name
+ * @kind metric
+ * @metricType project
+ * @metricAggregate sum
+ * @tags meta
+ * @id js/meta/types-with-qualified-name
+ */
+
+import javascript
+import meta.MetaMetrics
+
+select projectRoot(), count(TypeAnnotation t | t.hasQualifiedName(_) or t.hasQualifiedName(_, _))