add translation for irrelevant topics

src/assets/i18n/participant/de.json

@@ -234,11 +234,13 @@
     "no-keywords-note": "Es gibt keine Themen",
     "consider-votes": "Votes berücksichtigen",
     "profanity": "Schimpfwörter zensieren",
+    "hide-irrelevant": "Irrelevante Stichworte verbergen",
     "sort-alpha": "Alphabetisch",
     "sort-count": "Fragenanzahl",
     "sort-vote": "Votes",
     "keyword-search": "Stichwort suchen",
     "add-profanity-word": "Wort zur Zensurliste hinzufügen",
+    "add-irrelevant-word": "Wort zur Irrelevantliste hinzufügen",
     "send": "Abschicken",
     "enter-word": "Wort eingeben",
     "english": "Englisch",

src/assets/i18n/participant/en.json

@@ -239,11 +239,13 @@
     "no-keywords-note": "There are no topics!",
     "consider-votes": "Consider Votes",
     "profanity": "Censor profanity",
+    "hide-irrelevant": "Hide irrelevant keywords",
     "sort-alpha": "Alphabetically",
     "sort-count": "Questions count",
     "sort-vote": "Votes",
     "keyword-search": "Search keyword",
     "add-profanity-word": "Add word to profanity list",
+    "add-irrelevant-word": "Add word to irrelevant list",
     "send": "Send",
     "enter-word": "Enter word",
     "english": "English",