Add build workflow

.gitea/workflows/build.yml

@@ -0,0 +1,37 @@
+name: Build
+
+on:
+  push:
+  pull_request:
+    branches: [master]
+
+jobs:
+  audit:
+    runs-on: buildenv
+    steps:
+      - uses: actions/checkout@v4
+      - run: hlint src lib tests
+
+  test:
+    runs-on: buildenv
+    steps:
+      - name: Set up environment
+        run: |
+          apt-get update -y
+          apt-get upgrade -y
+          apt-get install -y pkg-config liblzma-dev
+      - uses: actions/checkout@v4
+      - run: cabal update
+      - run: cabal test --test-show-details=streaming
+
+  release:
+    runs-on: buildenv
+    steps:
+      - name: Set up environment
+        run: |
+          apt-get update -y
+          apt-get upgrade -y
+          apt-get install -y pkg-config liblzma-dev
+      - uses: actions/checkout@v4
+      - run: cabal update
+      - run: cabal build