Add link checker workflow

Signed-off-by: divyansh42 <diagrawa@redhat.com>

.github/workflows/scratch-build.yml

@@ -1,89 +0,0 @@
-# This workflow will perform a test whenever there
-# is some change in code done to ensure that the changes
-# are not buggy and we are getting the desired output.
-name: Test Build without dockerfile
-on: [push, pull_request, workflow_dispatch]
-env:
-  PROJECT_DIR: spring-petclinic
-  IMAGE_NAME: spring-petclinic
-  MVN_REPO_DIR: ~/.m2/repository
-
-jobs:
-  build:
-    name: Build image using Buildah
-    runs-on: ubuntu-latest
-    steps:
-
-      # Checkout buildah action github repository
-      - name: Checkout Buildah action
-        uses: actions/checkout@v2
-        with:
-          path: "buildah-build"
-
-      # Checkout spring-petclinic github repository
-      - name: Checkout spring-petclinic project
-        uses: actions/checkout@v2
-        with:
-          repository: "spring-projects/spring-petclinic"
-          path: ${{ env.PROJECT_DIR }}
-      
-      # If none of these files has changed, we assume that the contents of
-      # .m2/repository can be fetched from the cache.
-      - name: Hash Maven files
-        working-directory: ${{ env.PROJECT_DIR }}
-        run: |
-          echo "MVN_HASH=${{ hashFiles('**/pom.xml', '.mvn/**/*', 'mvnw*') }}" >> $GITHUB_ENV
-      
-      # Download the m2 repository from the cache to speed up the build.
-      - name: Check for Maven cache
-        id: check-mvn-cache
-        uses: actions/cache@v2
-        with:
-          path: ${{ env.MVN_REPO_DIR }}
-          key: ${{ env.MVN_HASH }}
-
-      # Setup java.
-      - name: Setup Java
-        uses: actions/setup-java@v1
-        with:
-          java-version: 11
-
-      # Run maven to build the project
-      - name: Maven
-        working-directory: ${{ env.PROJECT_DIR }}
-        run: |
-          mvn package -ntp -B 
-
-       # If there was no cache hit above, store the output into the cache now.
-      - name: Save Maven repo into cache
-        if: ${{ steps.check-mvn-cache.outputs.cache-hit }} != 'true'
-        uses: actions/cache@v2
-        with:
-          path: ${{ env.MVN_REPO_DIR }}
-          key: ${{ env.MVN_HASH }}
-      
-      # Build image using Buildah action
-      - name: Build Image
-        id: build_image
-        uses: ./buildah-build/
-        with:
-          image: ${{ env.IMAGE_NAME }}
-          tags: 'latest ${{ github.sha }}'
-          base-image: 'registry.access.redhat.com/openjdk/openjdk-11-rhel7'
-          # To avoid hardcoding a particular version of the binary.
-          content: |
-            ./spring-petclinic/target/spring-petclinic-*.jar
-          entrypoint: |
-            java
-            -jar
-            spring-petclinic-*.jar
-          port: 8080
-      
-      - name: Echo Outputs
-        run: | 
-          echo "Image: ${{ steps.build_image.outputs.image }}"
-          echo "Tags: ${{ steps.build_image.outputs.tags }}"
-
-      # Check if image is build
-      - name: Check images created
-        run: buildah images | grep '${{ env.IMAGE_NAME }}'