feature(core): Added de_DE translators

CHANGELOG.md

+## [1.5.0] - 2022-08-16
+### Added
+- de_DE translators
+
 ## [1.4.0] - 2022-08-09
 ### Added
 - en_AU translators

composer.json

@@ -33,8 +33,9 @@
         "text-domain": "wpdesk-rating-petition",
         "translations-folder": "lang",
         "po-files": {
-            "pl_PL": "wpdesk-rating-petition-pl_PL.po",
-            "en_AU": "wpdesk-rating-petition-en_AU.po"
+            "pl_PL": "pl_PL.po",
+            "en_AU": "en_AU.po",
+            "de_DE": "de_DE.po"
         }
     },
     "scripts": {