changed the namespace from PhpSlides\Src to PhpSlides\Core

Author: dconco

.github/workflows/tests.yml

@@ -28,6 +28,6 @@ jobs:
            run: |
               git checkout -b main
               git reset --hard dev
-              git checkout -
+              git push -u -f origin main
            env:
               GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}