Updated ci.yml

Exclude files in 'example/lib/' from the workflow in order to remove unnecessary warnings

Author: Alex Kocharyan

.github/workflows/ci.yml

@@ -1,10 +1,13 @@
 name: CI
 
 on:
+  push:
+    paths-ignore:
+      - 'example/lib/**'
   pull_request:
+    paths-ignore:
+      - 'example/lib/**'
     branches: '*'
-  push:
-    branches: [master]
 
 jobs:
   ci:
@@ -17,7 +20,7 @@ jobs:
       - name: Install dependencies
         run: flutter pub get
       - name: Format code
-        run: dart format --line-length 120 --set-exit-if-changed .
+        run: dart format --line-length 120 --set-exit-if-changed lib test
       - name: Analyze code
         run: flutter analyze
       # Skip tests for now