Create action.yml

Author: koddsson

.github/actions/setup/action.yml

@@ -0,0 +1,15 @@
+name: Setup project
+description: Sets up the repo code, Node.js, and npm dependencies
+
+runs:
+  using: composite
+  steps:
+    - name: Set up Node.js
+      uses: actions/setup-node@v2
+      with:
+        node-version: '16.x'
+        cache: npm
+        registry-url: https://registry.npmjs.org
+    - name: Install npm dependencies
+      run: npm ci
+      shell: bash