Release of v5.1.1-alpha1

Move all banners to GitHub. Adds library phpspreadsheet to JCB. Adds import item example to demo component. Updates the Superpower class with the GetRemote class in the plugin. Ensures the super power autoloader triggers the correct repositories.

libraries/phpspreadsheet/vendor/maennchen/zipstream-php/guides/StreamOutput.rst

@@ -0,0 +1,39 @@
+Stream Output
+===============
+
+Stream to S3 Bucket
+---------------
+
+.. code-block:: php
+
+    use Aws\S3\S3Client;
+    use Aws\Credentials\CredentialProvider;
+    use ZipStream\ZipStream;
+
+    $bucket = 'your bucket name';
+    $client = new S3Client([
+        'region' => 'your region',
+        'version' => 'latest',
+        'bucketName' => $bucket,
+        'credentials' => CredentialProvider::defaultProvider(),
+    ]);
+    $client->registerStreamWrapper();
+
+    $zipFile = fopen("s3://$bucket/example.zip", 'w');
+
+    $zip = new ZipStream(
+        enableZip64: false,
+        outputStream: $zipFile,
+    );
+
+    $zip->addFile(
+        fileName: 'file1.txt',
+        data: 'File1 data',
+    );
+    $zip->addFile(
+        fileName: 'file2.txt',
+        data: 'File2 data',
+    );
+    $zip->finish();
+
+    fclose($zipFile);