List files and provide job's status

.gitea/workflows/build.yml

@@ -16,3 +16,7 @@ jobs:
               run: go build -v ./20231201/trebuchet.go
             - name: Display Go version
               run: go version
+            - name: List files in the repository
+              run: |
+                  ls ${{ github.workspace }}
+            - run: echo "This job's status is ${{ job.status }}."