ci: update war file automatically

* Create main.yml

* Update main.yml

Author: Ven05638

.github/workflows/main.yml

@@ -0,0 +1,44 @@
+name: Build and Deploy WAR
+
+on:
+   push:
+     branches:
+       - master
+       
+jobs:
+  build:
+     runs-on: ubuntu-latest
+     
+     steps:
+        - name: Checkout code
+          uses: actions/checkout@v2
+          
+        - name: Set up JDK 14
+          uses: actions/setup=java@v1
+          with:
+            java-version: 14
+          
+        - name: Build WAR
+          run: jar cvf helloworld.war WEB-INF
+          
+        - name: Display WAR file
+          run: ls helloworld.war
+          
+        - name: Deploy WAR
+          run: |
+            mkdir -p deployment
+            cp helloworld.war deployment/
+            
+        - name: Store WAR files in repo
+          run: |
+            git config --global user.email "github-actions[bot]@users.noreply.github.com"
+            git config --global user.name "github-actions[bot]"
+            mkdir -p war
+            cp helloworld.war war/
+            git add war
+            git commit -m "Add WAR file"
+            git push origin master
+            
+         
+          
+