Merge pull request #18 from Harry-Hopkinson/check-code-matches-lint

Add a lint-checker script

.github/workflows/lint.yml

@@ -0,0 +1,20 @@
+name: Linter
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [14, 15, 16]
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Code Linting
+        run: |
+          npm install prettier -g
+          prettier --check .