add: json-schema-library to list of utilities

Author: Sascha Goldhofer

implementations.md

@@ -216,6 +216,7 @@ the utility, and decided on a case-by-case basis.
 
 -   JavaScript
     -   [json-schema-ref-parser](https://github.com/BigstickCarpet/json-schema-ref-parser) (MIT) Tools for dereferencing non-cyclic schemas, bundling referenced schemas into a single file, and other `$ref` processing.
+    -   [json-schema-library](https://github.com/sagold/json-schema-library) (MIT) - Exposes tools to work with json-schema, including: data creation from json-schema, `$ref` processing, walk through schemas, etc.
     -   [@cloudflare/json-schema-walker](https://github.com/cloudflare/json-schema-tools/tree/master/workspaces/json-schema-walker) ([JSON Schema Tools](https://github.com/cloudflare/json-schema-tools)), _draft-07, -06, -04, and Cloudflare's Doca extensions_ Walks schemas and runs pre- and post-walk callbacks.  Can modify schemas in place. (BSD-3-Clause)
     -   [@hyperjump/json-schema-core](https://github.com/jdesrosiers/json-schema-core)
         (MIT) Tools for working with schemas that handle identifiers and