Add script to validate JSON and SSZ examples match

.github/workflows/validate-examples.yaml

@@ -0,0 +1,43 @@
+name: Validate Examples
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - 'examples/**'
+      - 'scripts/validate_examples.py'
+      - 'scripts/requirements.txt'
+      - '.github/workflows/validate-examples.yaml'
+  pull_request:
+    paths:
+      - 'examples/**'
+      - 'scripts/validate_examples.py'
+      - 'scripts/requirements.txt'
+      - '.github/workflows/validate-examples.yaml'
+  workflow_dispatch:
+
+jobs:
+  validate:
+    name: Validate JSON/SSZ Examples
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+          cache: 'pip'
+          cache-dependency-path: 'scripts/requirements.txt'
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r scripts/requirements.txt
+
+      - name: Validate examples
+        run: |
+          python scripts/validate_examples.py --verbose

scripts/requirements.txt

@@ -0,0 +1,6 @@
+# Requirements for builder-specs example validation
+# Install with: pip install -r scripts/requirements.txt
+
+# SSZ serialization library (implements remerkleable)
+# Used for encoding/decoding Simple Serialize (SSZ) data structures
+remerkleable>=0.1.28