[CICD] - Adding gitea pipeline to build clox

.gitea/workflows/build.yaml

@@ -0,0 +1,16 @@
+name: build
+on:
+  push:
+jobs:
+  test:
+    runs-on: nix-runner
+    steps:
+      # optional: Push the results to a cache
+      - uses: https://github.com/cachix/cachix-action@v12
+        with:
+          name: local-cache
+          authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
+          
+      - uses: actions/checkout@v3
+      - run: nix shell --run "cd clox && make"
+