chore: try adding GHA

Author: william-silversmith

.github/workflows/build_wheel.yml

@@ -0,0 +1,27 @@
+name: Build Wheels
+
+on: [push] 
+
+env:
+  CIBW_SKIP: cp27-* cp33-* cp34-* cp35-* pp27-* pp36-* pp37-*
+
+jobs:
+  build_wheels:
+    name: Build wheels on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-20.04, windows-2019, macos-latest]
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Build wheels
+        uses: joerick/[email protected]
+        # to supply options, put them in 'env', like:
+        env:
+          CIBW_BEFORE_BUILD: git submodule init && git submodule update && pip install oldest-supported-numpy scikit-build && export LDFLAGS='-L/usr/local/opt/zlib/lib' && export CPPFLAGS='-I/usr/local/opt/zlib/include'
+
+      - uses: actions/upload-artifact@v2
+        with:
+          path: ./wheelhouse/*.whl