Add Feature Branch Build

.github/scripts/verify-build.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+# Check if build output at dist is uptodate or not
+
+# Check files updated in working dir
+git status dist -s
+
+# Raise error if more than 1 files changed in working dir
+if [[ ! -z $(git status dist -s) ]]; then
+    echo "Build at dist is outdated. Update build, push and try again."
+    exit 1
+fi

.github/workflows/feature-branch.yaml

@@ -0,0 +1,28 @@
+name: Feature Branch
+
+on:
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    name: Build
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Setup node
+        uses: actions/setup-node@v3
+        with:
+          node-version: 12
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Build package
+        run: npm run build
+
+      - name: Verify build
+        run: .github/scripts/verify-build.sh