feat(file-actions): produce markdown files for summarize and STT actions

Signed-off-by: Julien Veyssier <julien-nc@posteo.net>

Author: julien-nc

lib/Listener/FileActionTaskSuccessfulListener.php

@@ -77,7 +77,7 @@ class_exists('OCP\\TaskProcessing\\TaskTypes\\TextToSpeech')
 				} else {
 					$textResult = $task->getOutput()['output'];
 					$suffix = $taskTypeId === TextToTextSummary::ID ? 'summarized' : 'transcribed';
-					$targetFileName = $sourceFile->getName() . ' - ' . $suffix . '.txt';
+					$targetFileName = $sourceFile->getName() . ' - ' . $suffix . '.md';
 					$targetFile = $sourceFileParent->newFile($targetFileName, $textResult);
 					$this->logger->debug('FileActionTaskListener wrote file', ['target' => $targetFileName]);
 				}