remove github dir

.github/workflows/demo.yaml

@@ -1,33 +0,0 @@
-name: Gitea Actions Demo
-run-name: ${{ github.actor }} is testing out Gitea Actions 🚀
-on: [push]
-
-jobs:
-  checkout:
-    runs-on: ubuntu-latest
-    steps:
-      - name: check out repo
-        uses: actions/checkout@v3
-      - name: list files
-        run: |
-          echo "In outer docker container:"
-          ls
-          pwd
-          ls /home
-          echo "end outer print"
-      - name: compile
-        uses: xu-cheng/texlive-action@v2
-        with:
-          docker_image: aergus/latex
-          run: |
-            echo "in inner container"
-            pwd
-            ls
-            echo "end inner print"
-            echo "starting compilation"
-            latexmk main.tex
-      - name: upload
-        uses: actions/upload-artifact@v3
-        with:
-          name: artifact.tex
-          path: main.pdf