Create sync workflow

.github/workflows/sync.yml

@@ -0,0 +1,50 @@
+name: Sync with SEAL blocklists
+
+on: workflow_dispatch
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  sync:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout eth-phishing-detect
+      uses: actions/checkout@v4
+      with:
+        path: eth-phishing-detect
+
+    - name: Checkout blocklists
+      uses: actions/checkout@v4
+      with:
+        repository: security-alliance/blocklists
+        path: blocklists
+
+    - name: Sync
+      run: |
+        cd $GITHUB_WORKSPACE/eth-phishing-detect
+
+        cat $GITHUB_WORKSPACE/blocklists/domain.txt $GITHUB_WORKSPACE/blocklists/ip.txt $GITHUB_WORKSPACE/blocklists/ipfs.txt \
+          | grep -v '^$' \
+          | jq --raw-input . \
+          | jq --slurpfile newBlacklist /dev/stdin '. + {blacklist: $newBlacklist}' src/config.json \
+          > temp.json
+
+        mv temp.json src/config.json
+
+        git add .
+
+        if git diff-index --quiet HEAD; then
+          echo "no changes to commit"
+          exit 0
+        fi
+
+        git config user.name "github-actions[bot]"
+        git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
+
+        git commit -m "sync blocklist"
+
+        git push
+