GitHub: Add initial backend & frontend workflows

There is definitely room for improvement here (e.g. script duplication
across jobs, passing artifacts from one job to the next, caching
dependencies etc) but this is a simple starting point.

.github/workflows/backend.yml

@@ -0,0 +1,83 @@
+name: Backend
+
+on: [ push, pull_request ]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: shivammathur/setup-php@v2
+        with:
+          php-version: '8.3'
+      - uses: actions/checkout@v4
+      - name: Copy .env
+        run: php -r "file_exists('.env') || copy('.env.example', '.env');"
+      - name: Install Dependencies
+        run: composer install -q --no-ansi --no-interaction --no-scripts --no-progress --prefer-dist
+      - name: Generate key
+        run: php artisan key:generate
+      - name: Directory Permissions
+        run: chmod -R 777 storage bootstrap/cache
+#      - name: Create Database
+#        run: |
+#          mkdir -p database
+#          touch database/database.sqlite
+      - name: Execute tests (Unit and Feature tests) via PHPUnit
+#        env:
+#          DB_CONNECTION: sqlite
+#          DB_DATABASE: database/database.sqlite
+        run: composer run test
+
+  phpstan:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: shivammathur/setup-php@v2
+        with:
+          php-version: '8.3'
+      - uses: actions/checkout@v4
+      - name: Copy .env
+        run: php -r "file_exists('.env') || copy('.env.example', '.env');"
+      - name: Install Dependencies
+        run: composer install -q --no-ansi --no-interaction --no-scripts --no-progress --prefer-dist
+      - name: Generate key
+        run: php artisan key:generate
+      - name: Directory Permissions
+        run: chmod -R 777 storage bootstrap/cache
+      - name: Run static analysis
+        run: composer run phpstan
+
+  php-cs-fixer:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: shivammathur/setup-php@v2
+        with:
+          php-version: '8.3'
+      - uses: actions/checkout@v4
+      - name: Copy .env
+        run: php -r "file_exists('.env') || copy('.env.example', '.env');"
+      - name: Install Dependencies
+        run: composer install -q --no-ansi --no-interaction --no-scripts --no-progress --prefer-dist
+      - name: Generate key
+        run: php artisan key:generate
+      - name: Directory Permissions
+        run: chmod -R 777 storage bootstrap/cache
+      - name: Run static analysis
+        run: composer run php-cs-fixer -- --dry-run
+
+  phpcs:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: shivammathur/setup-php@v2
+        with:
+          php-version: '8.3'
+      - uses: actions/checkout@v4
+      - name: Copy .env
+        run: php -r "file_exists('.env') || copy('.env.example', '.env');"
+      - name: Install Dependencies
+        run: composer install -q --no-ansi --no-interaction --no-scripts --no-progress --prefer-dist
+      - name: Generate key
+        run: php artisan key:generate
+      - name: Directory Permissions
+        run: chmod -R 777 storage bootstrap/cache
+      - name: Run static analysis
+        run: composer run phpcs

.github/workflows/frontend.yml

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+name: Frontend
+
+on: [ push, pull_request ]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - run: curl -fsSL https://get.pnpm.io/install.sh | env PNPM_VERSION=8.14.1 sh -
+      - run: pnpm install
+      - run: pnpm run test
+
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - run: curl -fsSL https://get.pnpm.io/install.sh | env PNPM_VERSION=8.14.1 sh -
+      - run: pnpm install
+      - run: pnpm run lint
+
+  format:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - run: curl -fsSL https://get.pnpm.io/install.sh | env PNPM_VERSION=8.14.1 sh -
+      - run: pnpm install
+      - run: pnpm run format-check
+
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - run: curl -fsSL https://get.pnpm.io/install.sh | env PNPM_VERSION=8.14.1 sh -
+      - run: pnpm install
+      - run: pnpm run build