Refactor documentation for Laravel Page Speed

- Consolidated README.md into a more structured format, emphasizing audience and guide structure.
- Streamlined Web Optimization Guide with clearer sections and updated middleware details.
- Introduced new API Cache Architecture and Configuration Reference documents for comprehensive caching strategies.
- Enhanced clarity on middleware functionalities and installation steps.
- Updated performance metrics and troubleshooting sections for better user guidance.

Author: renatomarinho

.github/workflows/tests.yml

@@ -1,59 +1,59 @@
 name: Tests
 
 on:
-    push:
-        branches: [master, develop]
-    pull_request:
-        branches: [master, develop]
-        types: [opened, synchronize, reopened]
+  push:
+    branches: [master, develop]
+  pull_request:
+    branches: [master, develop]
+    types: [opened, synchronize, reopened]
 
 jobs:
-    test:
-        runs-on: ubuntu-latest
-        strategy:
-            fail-fast: false
-            matrix:
-                php: [8.2, 8.3]
-                laravel: [10.*, 11.*, 12.*]
-                dependency-version: [prefer-lowest, prefer-stable]
-                include:
-                    - laravel: 10.*
-                      testbench: 8.*
-                    - laravel: 11.*
-                      testbench: 9.*
-                    - laravel: 12.*
-                      testbench: 10.*
-                exclude:
-                    - laravel: 12.*
-                      php: 8.2
-
-        name: P${{ matrix.php }} - L${{ matrix.laravel }} - ${{ matrix.dependency-version }}
-
-        steps:
-            - name: Checkout code
-              uses: actions/checkout@v5
-
-            - name: Setup PHP
-              uses: shivammathur/setup-php@v2
-              with:
-                  php-version: ${{ matrix.php }}
-                  extensions: dom, curl, libxml, mbstring, zip, pcntl, pdo, sqlite, pdo_sqlite, bcmath, soap, intl, gd, exif, iconv
-                  coverage: none
-
-            - name: Setup problem matchers
-              run: |
-                  echo "::add-matcher::${{ runner.tool_cache }}/php.json"
-                  echo "::add-matcher::${{ runner.tool_cache }}/phpunit.json"
-
-            - name: Install dependencies
-              run: |
-                  COMPOSER_MEMORY_LIMIT=-1 composer update --${{ matrix.dependency-version }} --prefer-dist --no-interaction --with="laravel/framework:${{ matrix.laravel }}" --with="orchestra/testbench:${{ matrix.testbench }}"
-
-            - name: List Installed Dependencies
-              run: composer show -D
-
-            - name: Execute tests
-              run: php -d memory_limit=512M vendor/bin/phpunit
-
-            - name: Check code style
-              run: vendor/bin/phpcs -p --standard=PSR2 --runtime-set ignore_errors_on_exit 1 --runtime-set ignore_warnings_on_exit 1 src tests
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        php: [8.2, 8.3]
+        laravel: [10.*, 11.*, 12.*]
+        dependency-version: [prefer-lowest, prefer-stable]
+        include:
+          - laravel: 10.*
+            testbench: 8.*
+          - laravel: 11.*
+            testbench: 9.*
+          - laravel: 12.*
+            testbench: 10.*
+        exclude:
+          - laravel: 12.*
+            php: 8.2
+
+    name: P${{ matrix.php }} - L${{ matrix.laravel }} - ${{ matrix.dependency-version }}
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v5
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+          extensions: dom, curl, libxml, mbstring, zip, pcntl, pdo, sqlite, pdo_sqlite, bcmath, soap, intl, gd, exif, iconv
+          coverage: none
+
+      - name: Setup problem matchers
+        run: |
+          echo "::add-matcher::${{ runner.tool_cache }}/php.json"
+          echo "::add-matcher::${{ runner.tool_cache }}/phpunit.json"
+
+      - name: Install dependencies
+        run: |
+          COMPOSER_MEMORY_LIMIT=-1 composer update --${{ matrix.dependency-version }} --prefer-dist --no-interaction --with="laravel/framework:${{ matrix.laravel }}" --with="orchestra/testbench:${{ matrix.testbench }}"
+
+      - name: List Installed Dependencies
+        run: composer show -D
+
+      - name: Execute tests
+        run: php -d memory_limit=512M vendor/bin/phpunit
+
+      - name: Check code style
+        run: vendor/bin/phpcs -p --standard=PSR2 --runtime-set ignore_errors_on_exit 1 --runtime-set ignore_warnings_on_exit 1 src tests