Added dart package check action in github

.github/workflows/dart-analysis.yml

@@ -0,0 +1,18 @@
+name: Example workflow
+on: [push, pull_request]
+
+jobs:
+
+  package-analysis:
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2 # required
+
+      - uses: axel-op/dart-package-analyzer@v3
+        with:
+          # Required:
+          githubToken: ${{ secrets.GITHUB_TOKEN }}
+          # Optional:
+          # relativePath: packages/mypackage/

README.md

@@ -20,6 +20,9 @@ We will be putting resources that we referred for someone new to figure out why
 - [Learning Layout](https://docs.flutter.dev/development/ui/layout)
 - [Learning about Forms](https://docs.flutter.dev/cookbook/forms)
 
+**Package code check**
+- [Dart Flutter Package Analyzer](https://github.com/marketplace/actions/dart-flutter-package-analyzer)
+
 ### Current app screenshot 
 ![alt text](https://user-images.githubusercontent.com/59445453/173862121-d1f7acfb-8b6c-431a-a351-96cfe9751832.png)
 

pubspec.lock

@@ -164,4 +164,4 @@ packages:
     source: hosted
     version: "2.1.2"
 sdks:
-  dart: ">=2.17.3 <3.0.0"
+  dart: ">=2.17.1 <3.0.0"

pubspec.yaml

@@ -18,7 +18,7 @@ publish_to: "none" # Remove this line if you wish to publish to pub.dev
 version: 1.0.0+1
 
 environment:
-  sdk: ">=2.17.3 <3.0.0"
+  sdk: ">=2.17.1 <3.0.0"
 
 # Dependencies specify other packages that your package needs in order to work.
 # To automatically upgrade your package dependencies to the latest versions