feat: push github actions to publish package

.github/workflows/publish.yml

@@ -0,0 +1,28 @@
+name: Publish CI
+
+on:
+  push:
+    branches: [master]
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          node-version: "18.x"
+          registry-url: "https://npm.pkg.github.com"
+          scope: "@euler-xyz"
+      - run: npm ci
+      - run: npm run build --if-present
+      - run: |
+          git config user.name github-actions
+          git config user.email [email protected]
+          npm version patch
+          git push
+          git push --tags
+      - run: npm publish --access restricted
+        env:
+          # NOTE: using the built-in GITHUB token here because we're publishing to THIS repository's packages.
+          NODE_AUTH_TOKEN: ${{ secrets.GITHUB_TOKEN }}