Revert "ci: remove workflow until storybook builds"

This reverts commit b5a8768.

Author: danielroe

.github/workflows/chromatic.yml

@@ -0,0 +1,50 @@
+name: chromatic
+
+on:
+  # Temporarily disabled until we can get Storybook to build properly.
+  # push:
+  #   branches:
+  #     - main
+  # pull_request:
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.number || github.sha }}
+  cancel-in-progress: true
+
+permissions:
+  contents: read
+
+jobs:
+  chromatic:
+    name: 📚 Chromatic
+    runs-on: ubuntu-24.04-arm
+    if: ${{ github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name == github.repository }}
+
+    steps:
+      - name: ☑️ Checkout
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+        with:
+          fetch-depth: 0
+          ref: ${{ github.event.pull_request.head.ref || github.ref }}
+
+      - uses: actions/setup-node@6044e13b5dc448c55e2357c09f80417699197238 # v6.2.0
+        with:
+          node-version: lts/*
+
+      - uses: pnpm/action-setup@1e1c8eafbd745f64b1ef30a7d7ed7965034c486c # 1e1c8eafbd745f64b1ef30a7d7ed7965034c486c
+        name: 🟧 Install pnpm
+        with:
+          cache: true
+
+      - name: 📦 Install dependencies
+        run: pnpm install
+
+      - name: 🧪 Run Chromatic Visual Tests
+        uses: chromaui/action@a8ce9c58f59be5cc7090cadfc8f130fb08fcf0c3 # v15.1.0
+        with:
+          projectToken: ${{ secrets.CHROMATIC_PROJECT_TOKEN }}
+        env:
+          CHROMATIC_BRANCH: ${{ github.event.pull_request.head.ref || github.ref_name }}
+          CHROMATIC_SHA: ${{ github.event.pull_request.head.sha || github.sha }}
+          CHROMATIC_SLUG: ${{ github.repository }}