Migrate from Travis CI to GitHub Actions (#281)

* Convert from travis to github actions

* Use npm install

Co-authored-by: Miles Frain <[email protected]>

Author: JordanMartinez

.github/workflows/tests.yml

@@ -0,0 +1,50 @@
+name: Run PR Tests
+
+on:
+  pull_request:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      # We use `npm install` rather than `setup-purescript`
+
+      - name: Cache PureScript dependencies
+        uses: actions/cache@v2
+        with:
+          key: ${{ runner.os }}-spago-${{ hashFiles('**/*.dhall') }}
+          path: |
+            .spago
+            output
+
+      - name: Set up Node toolchain
+        uses: actions/setup-node@v1
+        with:
+          node-version: "12.x"
+
+      - name: Cache NPM dependencies
+        uses: actions/cache@v2
+        env:
+          cache-name: cache-node-modules
+        with:
+          path: ~/.npm
+          key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/package.json') }}
+          restore-keys: |
+            ${{ runner.os }}-build-${{ env.cache-name }}-
+            ${{ runner.os }}-build-
+            ${{ runner.os }}-
+
+      - name: Install NPM dependencies
+        run: npm install
+
+      - name: Test all makefile commands
+        run: make testAllCommands
+
+      - name: Check if readme was updated
+        run: diff README.md <(scripts/generateRecipeTable.sh)
+
+      - name: Run CI tests
+        run: make testAllCI