[TASK] Update the TTN references (#7)

- use "TYPO3 Trainer Network" as company in the `ext_emconf.php`
- drop the project homepage link from the `composer.json`

composer.json

@@ -11,7 +11,6 @@
         "unit testing",
         "best practices"
     ],
-    "homepage": "https://github.com/oliverklee/tdd-reader",
     "license": "GPL-2.0-or-later",
     "authors": [
         {

ext_emconf.php

@@ -15,7 +15,7 @@ $EM_CONF[$_EXTKEY] = [
     'createDirs' => '',
     'author' => 'Oliver Klee',
     'author_email' => 'typo3-coding@oliverklee.de',
-    'author_company' => 'oliverklee.de',
+    'author_company' => 'TYPO3 Trainer Network',
     'autoload' => [
         'psr-4' => [
             'OliverKlee\\Tea\\' => 'Classes/',