Adding link to XML Jelly Sandwich OSCAL demos (#1016)

docs/content/tools/_index.md

@@ -35,3 +35,4 @@ See the [NIST Software Disclaimer](https://www.nist.gov/disclaimer) for more inf
 | [OSCAL React Component Library](https://github.com/EasyDynamics/oscal-react-library) | Easy Dynamics | A library of reusable React components and an [example user interface application](https://oscal-viewer.msd.easydynamics.com/catalog) that provides a direct UI into OSCAL. |
 | [OSCAL REST API](https://github.com/EasyDynamics/oscal-rest) |  Easy Dynamics | An initial OpenAPI definition of an OSCAL REST API that describes how systems might manipulate catalogs, profiles, components, and SSPs. |
 | [XSLT Tooling](https://github.com/usnistgov/oscal-tools/tree/master/xslt) | NIST OSCAL Project | A variety of Extensible Stylesheet Language (XSL) Transformations (XSLT), Cascading Style Sheets (CSS), and related utilities for authoring, converting, and publishing OSCAL content in various forms. |
+| [XML Jelly Sandwich](https://github.com/wendellpiez/XMLjellysandwich) | Wendell Piez (NIST) | Interactive XSLT in the browser includes [OSCAL demonstrations](https://wendellpiez.github.io/XMLjellysandwich/oscal/). |