Adds workflow for code linting

.github/workflows/lint.yaml

@@ -0,0 +1,28 @@
+# Run flutter linting checks
+
+name: linting
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+
+jobs:
+
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-java@v1
+        with:
+          java-version: '12.x'
+      - uses: subosito/flutter-action@v1
+        with:
+          flutter-version: '2.2.3'
+      - run: flutter pub get
+      - run: flutter analyze
+  

analysis_options.yaml

@@ -0,0 +1,8 @@
+include: package:lint/analysis_options.yaml
+
+linter:
+  rules:
+  # ------ Disable individual rules ----- #
+  #                 ---                   #
+  # Turn off what you don't like.         #
+  # ------------------------------------- #

lib/widget/home.dart

@@ -261,25 +261,10 @@ class _InvenTreeHomePageState extends State<InvenTreeHomePage> {
   @override
   Widget build(BuildContext context) {
 
-    // This method is rerun every time setState is called, for instance as done
-    // by the _incrementCounter method above.
-    //
-    // The Flutter framework has been optimized to make rerunning build methods
-    // fast, so that you can just rebuild anything that needs updating rather
-    // than having to individually change instances of widgets.
     return Scaffold(
       key: _homeKey,
       appBar: AppBar(
         title: Text(L10().appTitle),
-        actions: <Widget>[
-          // IconButton(
-          //   icon: FaIcon(FontAwesomeIcons.barcode),
-          //   tooltip: L10().scanBarcode,
-          //   onPressed: () {
-          //     _scan(context);
-          //   },
-          // ),
-        ],
       ),
       drawer: new InvenTreeDrawer(context),
       body: ListView(

pubspec.lock

@@ -336,6 +336,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.6.3"
+  lint:
+    dependency: "direct dev"
+    description:
+      name: lint
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.6.0"
   markdown:
     dependency: transitive
     description:

pubspec.yaml

@@ -48,6 +48,7 @@ dev_dependencies:
   flutter_test:
     sdk: flutter
   flutter_launcher_icons:
+  lint: ^1.0.0
 
 flutter_icons:
   android: true