Add translations for actors and sources in backend

backend/hu/actor.json

@@ -49,6 +49,11 @@
         "annotation": "Komment\u00e1r",
         "add_new_annotation": "\u00daj komment\u00e1r hozz\u00e1rendel\u00e9se",
         "description_too_short": "A le\u00edr\u00e1s t\u00fal r\u00f6vid. Minimum 10 karakter bevitele sz\u00fcks\u00e9ges",
-        "no_description": "Nincs le\u00edr\u00e1s"
+        "no_description": "Nincs le\u00edr\u00e1s",
+        "gender": "Gender",
+        "gender_female": "Female",
+        "gender_male": "Male",
+        "gender_other": "Other",
+        "gender_explica": "Gender of the actor"
     }
 }

backend/hu/sources.json

@@ -60,6 +60,9 @@
         "entity_of_origin": "Entity of origin",
         "entity_target": "Target entity",
         "about_backgrounds": "About the Backgrounds Section",
-        "about_backgrounds_text": "A text about the backgrounds section will appear here."
+        "about_backgrounds_text": "A text about the backgrounds section will appear here.",
+        "license": "License",
+        "license_explica": "The license of the source or the digitized version thereof.",
+        "source_fulltext": "Full text"
     }
 }