Exclude CONTRIBUTING.md to trigger workflows

Author: waffiqaziz

.github/workflows/unit_testing.yml

@@ -3,9 +3,11 @@ name: Unit Testing
 on:
   push:
     paths-ignore:
+      - 'CONTRIBUTING.md'
       - 'README.md'
   pull_request:
     paths-ignore:
+      - 'CONTRIBUTING.md'
       - 'README.md'
 
 jobs:
@@ -37,4 +39,4 @@ jobs:
           path: app/build/reports/tests/testDebugUnitTest/
 
       - name: Build with Gradle Wrapper
-        run: ./gradlew assembleDebug --stacktrace
+        run: ./gradlew assembleDebug --stacktrace