Move definitions.ql back to src

javascript/ql/src/definitions.ql

@@ -0,0 +1,13 @@
+/**
+ * @name Jump-to-definition links
+ * @description Generates use-definition pairs that provide the data
+ *              for jump-to-definition in the code viewer.
+ * @kind definitions
+ * @id js/jump-to-definition
+ */
+
+import definitions
+
+from Locatable e, AstNode def, string kind
+where def = definitionOf(e, kind)
+select e, def, kind