chore: add GitHub workflows and README assets

- Add GitHub Pages deployment workflow for documentation
- Add CI workflow for testing and building
- Add logo and demo assets referenced in README

Author: mgcrea

.github/assets/demo.gif

@@ -0,0 +1,60 @@
+name: Deploy Documentation
+
+on:
+  push:
+    branches: [main]
+    paths:
+      - "docs/**"
+      - ".github/workflows/deploy-docs.yml"
+  workflow_dispatch:
+
+# Allow only one concurrent deployment
+concurrency:
+  group: "pages"
+  cancel-in-progress: false
+
+# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout 🛎️
+        uses: actions/checkout@v5
+      - name: Setup pnpm 🔧
+        uses: pnpm/action-setup@v4
+      - name: Setup Node.js 🔧
+        uses: actions/setup-node@v6
+        with:
+          node-version: "lts/*"
+          check-latest: true
+          cache: "pnpm"
+      - name: Install dependencies 🪄
+        run: |
+          cd docs
+          pnpm install --frozen-lockfile
+      - name: Build documentation 💎
+        run: |
+          cd docs
+          pnpm run build
+      - name: Setup Pages 📄
+        uses: actions/configure-pages@v5
+      - name: Upload artifact 🚀
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: ./docs/dist
+
+  deploy:
+    needs: build
+    runs-on: ubuntu-latest
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4

.github/assets/logo.png

@@ -0,0 +1,56 @@
+name: Test & Build Package
+
+on:
+  push:
+    branches: [master, main]
+  pull_request:
+    branches: [master, main]
+  workflow_dispatch:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node: ["lts/*"]
+    name: Test on node@v${{ matrix.node }}
+    steps:
+      - name: Checkout 🛎️
+        uses: actions/checkout@v5
+      - name: Setup pnpm 🔧
+        uses: pnpm/action-setup@v4
+      - name: Setup node 🔧
+        uses: actions/setup-node@v6
+        with:
+          node-version: ${{ matrix.node }}
+          check-latest: true
+          cache: "pnpm"
+      - name: Install 🪄
+        run: pnpm install --frozen-lockfile
+      - name: Lint 🔍
+        run: pnpm run lint
+      - name: TypeScript 🔍
+        run: pnpm run check
+      - name: Jest 🔍
+        run: pnpm run spec
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node: ["lts/*"]
+    name: Build on node@v${{ matrix.node }}
+    steps:
+      - name: Checkout 🛎️
+        uses: actions/checkout@v5
+      - name: Setup pnpm 🔧
+        uses: pnpm/action-setup@v4
+      - name: Setup node 🔧
+        uses: actions/setup-node@v6
+        with:
+          node-version: ${{ matrix.node }}
+          check-latest: true
+          cache: "pnpm"
+      - name: Install 🪄
+        run: pnpm install --frozen-lockfile
+      - name: Build 💎
+        run: pnpm run build