restore dependency injection

ot_core/Configuration/Services.yaml

@@ -0,0 +1,11 @@
+services:
+  _defaults:
+    autowire: true
+    autoconfigure: true
+    public: false
+
+  Opentalent\OtCore\:
+    resource: '../Classes/*'
+
+  FluidTYPO3\Vhs\:
+    resource: '/var/www/typo3/public/typo3conf/ext/vhs/Classes/*'