fix: add flutter_lints

Author: Feichtmeier

pubspec.lock

@@ -270,6 +270,14 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_lints:
+    dependency: "direct dev"
+    description:
+      name: flutter_lints
+      sha256: "5398f14efa795ffb7a33e9b6a08798b26a180edac4ad7db3f231e40f82ce11e1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.0.0"
   flutter_web_plugins:
     dependency: transitive
     description: flutter
@@ -435,6 +443,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.3.0"
+  lints:
+    dependency: transitive
+    description:
+      name: lints
+      sha256: "3315600f3fb3b135be672bf4a178c55f274bebe368325ae18462c89ac1e3b413"
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.0.0"
   logging:
     dependency: transitive
     description:

pubspec.yaml

@@ -43,6 +43,7 @@ dependencies:
 
 dev_dependencies:
   build_runner: ^2.3.2
+  flutter_lints: ^5.0.0
   isar_generator: ^3.0.2
   lint: ^2.1.1