[TASK] Update readme, removing whitespace in code samples of deprecation warnings

Classes/Controller/MailController.php

@@ -381,7 +381,7 @@ class MailController extends ActionController {
 					}
 
 					// provide code example on how to register correctly
-					$code = '$GLOBALS[\'sgmail\'][\'' . $extensionName . '\'][\' '
+					$code = '$GLOBALS[\'sgmail\'][\'' . $extensionName . '\'][\''
 						. \str_replace('.php', '', $configFile)
 						. '\'] = \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::extPath(\''
 						. $extensionName . '\') . \'/Configuration/SgMail/' . $configFile . '\';';

README.md

@@ -23,8 +23,12 @@ sg_mail ist multi-site and multi-language ready.
 ### Registering your Extension 
 
 To register your extension with sg_mail, you need a **Configuration File** for each template you want to integrate.
-It needs be a *.php* file and has to be inside the Configuration folder **typo3conf/ext/{your_extension}/Configuration** of your extension.
-The naming of the file should be in upper camel case, matching your template name. 
+It needs be a *.php* file and has to be inside the Configuration folder **typo3conf/ext/{your_extension}/Configuration/Sgmail** of your extension.
+
+Additionally you need to make your registration file known in your **ext_local_conf.php** file:
+
+    // register mail templates
+    $GLOBALS['sgmail']['my_extension_key']['unique_template_name'] = \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::extPath('my_extension_key') . '/Configuration/SgMail/MyTemplate.php';
 
 sg_mail will automatically parse valid configuration files of all extensions within your TYPO3 instance.
 
@@ -159,11 +163,6 @@ This happens also if the given iso code of the language is not known (inside the
 
 In your template editor you have automatically all languages of your page shown.
 
-## Using sg_mail with Formhandler
-
-In your **setup.txt** of your formhandler extension, you have to invoke the **FormhandlerFinisherService** of sg_mail.
-This is done in a similar fashion as with the usual finisher classes.
-
 ### Example
 
 	finishers {