Add workflow to build wheels

.github/workflows/cibuildwheel.yml

@@ -0,0 +1,21 @@
+name: Build
+
+on: [push, pull_request]
+
+jobs:
+  build_wheels:
+    name: Build wheels on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Build wheels
+        uses: pypa/[email protected]
+
+      - uses: actions/upload-artifact@v2
+        with:
+          path: ./wheelhouse/*.whl

pyproject.toml

@@ -42,3 +42,6 @@ Documentation = "https://maxminddb.readthedocs.org/"
 # src is showing up in our GitHub linting builds. It seems to
 # contain deps.
 extend-exclude = '^/src/'
+
+[tool.cibuildwheel]
+before-all = "apt install libmaxminddb-dev"