Add more architectures to CI (#56)

* Add more architectures to CI

Add Windows and Mac, and 32-bit as well.

* Update ci.yml

Author: ViralBShah

.github/workflows/ci.yml

@@ -11,13 +11,16 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        version: ['1.6', '1']  # Test against LTS and current minor release
-        os: [ubuntu-latest]
-        arch: [x64]
-        include:
-          # Also test against 32-bit Linux on LTS.
-          - version: '1.6'
-            os: ubuntu-latest
+        version: ['1.6', '1', 'nightly']  # Test against LTS, current minor release, and nightly
+        os:
+          - ubuntu-latest
+          - macOS-latest
+          - windows-latest
+        arch:
+          - x64
+          - x86
+        exclude:
+          - os: macOS-latest
             arch: x86
     steps:
       - uses: actions/checkout@v2