[feat] engine: implementation of mdn

searx/settings.yml

@@ -1076,6 +1076,25 @@ engines:
   #   shortcut: mtrx
   #   disabled: true
 
+  - name: mdn
+    shortcut: mdn
+    engine: json_engine
+    categories: [it]
+    paging: true
+    search_url: https://developer.mozilla.org/api/v1/search?q={query}&page={pageno}
+    results_query: documents
+    url_query: mdn_url
+    url_prefix: https://developer.mozilla.org
+    title_query: title
+    content_query: summary
+    about:
+      website: https://developer.mozilla.org
+      wikidata_id: Q3273508
+      official_api_documentation: null
+      use_official_api: false
+      require_api_key: false
+      results: JSON
+
   - name: metacpan
     engine: metacpan
     shortcut: cpan