add a11y to the input field by create a comment

src/assets/i18n/creator/de.json

@@ -31,6 +31,7 @@
   "comment-page": {
     "a11y-comment_delete": "Löscht diese Frage",
     "a11y-comment_grade": "Markiert diese Frage als Bonus Frage",
+    "a11y-comment_input": "Geben sie Ihre Frage ein",
     "a11y-comment_marked_correct": "Hebt die Bejahung auf",
     "a11y-comment_marked_wrong": "Hebt die Verneinung auf",
     "a11y-comment_moderation": "Lehnt diese Frage ab",

src/assets/i18n/creator/en.json

@@ -31,6 +31,7 @@
   "comment-page": {
     "a11y-comment_delete": "Deletes this question",
     "a11y-comment_grade": "Marks this question as a bonus question",
+    "a11y-comment_input": "Enter your question",
     "a11y-comment_marked_correct": "Cancels the mark as correct",
     "a11y-comment_marked_wrong": "Cancels the mark as incorrect",
     "a11y-comment_moderation": "Rejects this question",

src/assets/i18n/participant/de.json

@@ -39,6 +39,7 @@
     "wrong": "Verneint"
   },
   "comment-page": {
+    "a11y-comment_input": "Geben sie Ihre Frage ein",
     "a11y-comment_vote_down": "Stimmt dieser Frage ab",
     "a11y-comment_vote_up": "Stimmt dieser Frage zu",
     "a11y-text_correct": "Diese Frage wurde bejaht.",

src/assets/i18n/participant/en.json

@@ -39,6 +39,7 @@
     "wrong": "Marked as wrong by the professor"
   },
   "comment-page": {
+    "a11y-comment_input": "Enter your question",
     "a11y-comment_vote_down": "Votes down this question",
     "a11y-comment_vote_up": "Votes up this question",
     "a11y-text_correct": "This question was marked as correct.",