Migrating to Gitea CI

.gitea/workflows/clang-build.yml

@@ -0,0 +1,26 @@
+name: clang-build
+on: [push,pull_request,workflow_dispatch]
+
+jobs:
+  clang-build:
+    runs-on: ubuntu-latest
+    steps:
+      - run: |
+        sudo apt update
+        sudo apt install -y git ca-certificates curl
+      - uses: actions/checkout@v4
+
+      - name: Install Clang
+        run: sudo apt update && sudo apt install -y clang
+
+      - name: Build Datum
+        run: |
+          make clean all CC=clang
+
+      - name: Run unit tests
+        run: |
+          ./test_vector && ./test_map && ./test_bigint && ./test_string
+
+      - name: Run benchmarks
+        run: |
+          ./benchmark_datum