added CI

.gitea/workflows/build.yaml

@@ -0,0 +1,19 @@
+name: Build latex and deploy
+run-name: ${{ gitea.actor }} is building latex
+on: [push]
+
+jobs:
+  checkout:
+    runs-on: latex-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: compile
+        run: make
+      - name: Prepare pages
+        run: |
+            mkdir public
+            mv build/logic3.pdf build/logic3.log README.md public
+      - name: Deploy to pages
+        uses: actions/pages@v1
+        with:
+          index-title: 'WS23/24: Logic III'