Add Intersection Observer / performance , javascript lib

src/technologies/i.json

@@ -534,6 +534,15 @@
     "scripts": "(?:is-bin|INTERSHOP)",
     "website": "http://intershop.com"
   },
+  "Intersection Observer": {
+    "cats": [
+      92,
+      59
+    ],
+    "description": "Intersection Observer is a browser API that provides a way to observe the visibility and position of a DOM element relative to the containing root element or viewport.",
+    "scripts": "cdn\\.jsdelivr\\.net/npm/intersection-observer@([\\d\\.]+)\\;version:\\1",
+    "website": "https://www.w3.org/TR/intersection-observer"
+  },
   "Invenio": {
     "cats": [
       50