Update ReadMe.md

ReadMe.md

@@ -35,6 +35,7 @@ with `zip()`, `join()`, `cross()`, `pairs()`, `slice()` and more.
     * [Functionalities](#functionalities)
     * [Features](#features)
     * [Example](#example-usage)
+    * [Advanced example](#advanced-usage)
 3. [Migration](#migration-from-previous-version)
 
 # Installation
@@ -140,6 +141,70 @@ public function services(): DataProvider {
 }
 ```
 
+### Advanced usage
+
+```php
+/**
+ * @test
+ * @dataProvider urls
+ */
+public function test0(string $url): void {
+    // your test here
+}
+
+/**
+ * @test
+ * @dataProvider services
+ */
+public function test1(string $url, string $name, string $method, int $port): void {
+    // your test here
+}
+
+/**
+ * @test
+ * @dataProvider allServices
+ */
+public function test2(string $url, string $name, string $method, int $port): void {
+    // your test here
+}
+
+public function urls(): DataProvider {
+    return DataProvider::list('github.com', 'bitbucket.com', 'gitlab.com', 'sourceforge.net');
+}
+
+public function rawArrayProvider(): array {
+    return [
+        ['GitHub'],
+        ['BitBucket'],
+        ['GitLab'],
+        ['SourceForge']
+    ];
+}
+
+public function services(): DataProvider {
+    return DataProvider::cross(
+      DataProvider::zip($this->urls(), $this->rawArrayProvider()),
+      DataProvider::sets(
+        ['http', 80],
+        ['https', 443],
+        ['ssh', 22])
+    );
+}
+
+public function allServices(): DataProvider {
+    return DataProvider::join(
+        $this->services(),
+        $this->localServices()
+    );
+}
+
+public function localServices(): array {
+   return [
+       ['localhost', 'local', 'http', '80']
+   ];
+}
+```
+
 # Migration from previous version
 
 To use version `3.0.0`, migrating from [`2.4.0`][previous] or earlier: