feat: configure fork-diff

.github/workflows/pages.yaml

@@ -0,0 +1,33 @@
+name: Build and publish forkdiff github-pages
+permissions:
+  contents: write
+on:
+  push:
+    branches:
+      - scroll
+jobs:
+  deploy:
+    concurrency: ci-${{ github.ref }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 1000  # make sure to fetch the old commit we diff against
+
+      - name: Build forkdiff
+        uses: "docker://protolambda/forkdiff:0.1.0"
+        with:
+          args: -repo=/github/workspace -fork=/github/workspace/fork.yaml -out=/github/workspace/index.html
+
+      - name: Build pages
+        run: |
+          mkdir -p tmp/pages
+          mv index.html tmp/pages/index.html
+          touch tmp/pages/.nojekyll
+
+      - name: Deploy
+        uses: JamesIves/github-pages-deploy-action@v4
+        with:
+          folder: tmp/pages
+          clean: true

fork.yaml

@@ -0,0 +1,18 @@
+title: "scroll-reth - reth fork diff overview"
+footer: |
+  Fork-diff overview of [`scroll-reth`](https://github.com/scroll-tech/reth), a fork of [`reth`](https://github.com/paradigmxyz/reth).
+base:
+  name: reth
+  url: https://github.com/paradigmxyz/reth
+  hash: 5d2867f2c5bd2aaa5673f31cf4c13b8f4f1e2c39
+fork:
+  name: scroll-reth
+  url: https://github.com/scroll-tech/reth
+  ref: refs/heads/scroll
+def:
+  title: "scroll-reth"
+  description: |
+    This is an overview of the changes in [`scroll-reth`](https://github.com/scroll-tech/reth),
+    a fork of [`reth`](https://github.com/paradigmxyz/reth).
+  globs:
+    - "*"