Added gitea CI/CD configuration

.gitea/workflows/build_docker.yaml

@@ -5,11 +5,13 @@ on: [push]
 jobs:
   build:
     name: Build Docker Image
-    runs-on: ubuntu-latest
+    runs-on: docker
     steps:
       - name: Environment
         run: |
-          env
+          echo "++ Environment" && env
+          echo "++ PWD" && pwd
+          echo "++ ls" && ls -al
 
       - name: Checkout Code
         uses: actions/checkout@v4