Vsliv30 2342 attachment filing purpose (#33)

* Added support for adding filing purpose to attachments

* Adding filingPurpose to config and service provider

* Error fixes

* Apply fixes from StyleCI

* Added doctorine dbal and label

---------

Co-authored-by: David <david.katalinic@asseco-see.hr>
Co-authored-by: StyleCI Bot <bot@styleci.io>

composer.json

@@ -19,7 +19,8 @@
         "phpunit/phpunit": "^10.0",
         "mockery/mockery": "^1.4.4",
         "fakerphp/faker": "^1.9.1",
-        "orchestra/testbench": "^8.5"
+        "orchestra/testbench": "^8.5",
+        "doctrine/dbal": "3.5"
     },
     "autoload": {
         "psr-4": {