Add the Build Release Zip workflow along with our ignore files

.distignore

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+# Directories to ignore
+/.git
+/.github
+/.wordpress-org
+/node_modules
+/tests
+/vendor
+
+# Files to ignore
+/.*
+/CHANGELOG.md
+/CODE_OF_CONDUCT.md
+/composer.json
+/composer.lock
+/CONTRIBUTING.md
+/CREDITS.md
+/LICENSE.md
+/package-lock.json
+/package.json
+/phpcs-compat.xml
+/phpcs.xml
+/README.md

.gitattributes

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+/.github export-ignore
+/.wordpress-org export-ignore
+/node_modules export-ignore
+/tests export-ignore
+/vendor export-ignore
+
+/.* export-ignore
+/CHANGELOG.md export-ignore
+/CODE_OF_CONDUCT.md export-ignore
+/composer.json export-ignore
+/composer.lock export-ignore
+/CONTRIBUTING.md export-ignore
+/CREDITS.md export-ignore
+/LICENSE.md export-ignore
+/package-lock.json export-ignore
+/package.json export-ignore
+/phpcs-compat.xml export-ignore
+/phpcs.xml export-ignore
+/README.md export-ignore

.github/workflows/build-release-zip.yml

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+name: Build release zip
+
+on:
+  workflow_dispatch:
+  workflow_call:
+  push:
+    branches:
+      - main
+
+jobs:
+  build:
+    name: Build release zip
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Generate ZIP file
+        uses: 10up/action-wordpress-plugin-build-zip@stable
+        env:
+          SLUG: mailchimp