Add JSON-LD for Ketcher landing to improve metadata provision for AI Agents. Based on https://bioschemas.org/tutorials/howto/howto_add_github

Author: kseniia-iarkova

rst/themes/lifescience-theme/head.html

@@ -57,6 +57,9 @@
     <script src="{{ pathto('_static/js/index-tiles.js', 1) }}"></script>
     {% endif %}
 
-    
+    {% if pagename == "ketcher/index" %}
+    <!-- Ketcher JSON-LD -->
+    {% include "json-ld_ketcher.html" %}
+    {% endif %}
 
 </head>

rst/themes/lifescience-theme/json-ld_ketcher.html

@@ -0,0 +1,36 @@
+<script type="application/ld+json">
+{
+  "@context": "https://schema.org",
+  "@type": "SoftwareApplication",
+  "@id": "https://lifescience.opensource.epam.com/ketcher",
+  "http://purl.org/dc/terms/conformsTo": {
+     "@id": "https://bioschemas.org/profiles/ComputationalTool/1.0-RELEASE",
+     "@type": "CreativeWork"
+  },
+  "name": "Ketcher",
+  "alternateName": "Ketcher Chemical Structure Editor",
+  "applicationCategory": "WebApplication",
+  "description": "Ketcher is an open-source, web-based chemical structure editor developed by EPAM. It allows users to sketch and edit chemical structures, seamlessly integrate with cheminformatics platforms, and export to various formats.",
+  "license": "https://opensource.org/licenses/MIT",
+  "downloadUrl": "https://github.com/epam/ketcher",
+  "url": "https://github.com/epam/ketcher",
+  "demo": "https://github.com/epam/ketcher/tree/release/3.5/demo",
+  "codeRepository": "https://github.com/epam/ketcher",
+  "documentation": "https://github.com/epam/ketcher/wiki",
+  "keywords": "open source, chemical editor, chemistry, web app, AI agent, REST API, cheminformatics, MIT License, EPAM",
+  "featureList": ["http://edamontology.org/operation_2430", "http://edamontology.org/operation_3429", "http://edamontology.org/operation_0337"],
+  "isAccessibleForFree": true,
+  "publisher": {
+    "@type": "Organization",
+    "name": "EPAM Systems",
+    "url": "https://www.epam.com/"
+  },
+  "programmingLanguage": [
+    "JavaScript",
+    "TypeScript"
+  ],
+  "softwareVersion": "3.5.0",
+  "operatingSystem": "All",
+  "applicationSuite": "Cheminformatics"
+}
+</script>