deps: Add unorm_dart, for matching insensitively to diacritics

Author: chrisbobbe

pubspec.lock

@@ -1115,6 +1115,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.4.0"
+  unorm_dart:
+    dependency: "direct main"
+    description:
+      name: unorm_dart
+      sha256: "8e3870a1caa60bde8352f9597dd3535d8068613269444f8e35ea8925ec84c1f5"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.3.1+1"
   url_launcher:
     dependency: "direct main"
     description:

pubspec.yaml

@@ -65,6 +65,7 @@ dependencies:
   wakelock_plus: ^1.2.8
   zulip_plugin:
     path: ./packages/zulip_plugin
+  unorm_dart: ^0.3.1+1
   # Keep list sorted when adding dependencies; it helps prevent merge conflicts.
 
 dependency_overrides: