Closes #79: Migrated to GitHub Actions

.github/workflows/build.yml

@@ -0,0 +1,20 @@
+name: build
+
+on: [push, pull_request]
+
+jobs:
+  windows:
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v1
+      - run: (new-object net.webclient).DownloadFile("https://raw.githubusercontent.com/SublimeText/UnitTesting/master/sbin/github.ps1","github.ps1")
+      - run: |
+          ./github.ps1 "bootstrap" -verbose
+          ./github.ps1 "install_package_control" -verbose
+          ./github.ps1 "run_tests" -coverage -verbose
+          # ./github.ps1 "run_syntax_tests" -coverage -verbose
+      - run: |
+          pip3 install coverage==4.5.4 codecov==2.0.15
+          codecov
+        env:
+          CODECOV_TOKEN: ${{secrets.CODECOV_TOKEN}}

.gitignore

@@ -57,6 +57,7 @@
 !dependencies.json
 
 # include important build system files
+!.github/
 !appveyor.yml
 !gradle
 !build.gradle