Add Edge to the supported tier

Fixes https://github.com/vector-im/element-web/issues/9175

README.md

@@ -11,7 +11,7 @@ Element has several tiers of support for different environments:
 
 * Supported
   * Definition: Issues **actively triaged**, regressions **block** the release
-  * Last 2 major versions of Chrome, Firefox, and Safari on desktop OSes
+  * Last 2 major versions of Chrome, Firefox, Safari, and Edge on desktop OSes
   * Latest release of official Element Desktop app on desktop OSes
   * Desktop OSes means macOS, Windows, and Linux versions for desktop devices
     that are actively supported by the OS vendor and receive security updates

babel.config.js

@@ -3,7 +3,10 @@ module.exports = {
     "presets": [
         ["@babel/preset-env", {
             "targets": [
-                "last 2 Chrome versions", "last 2 Firefox versions", "last 2 Safari versions"
+                "last 2 Chrome versions",
+                "last 2 Firefox versions",
+                "last 2 Safari versions",
+                "last 2 Edge versions",
             ],
         }],
         "@babel/preset-typescript",