i18n: add more app translation

Signed-off-by: Patrizio Bekerle <patrizio@bekerle.com>

Author: pbek

CHANGELOG.md

@@ -11,6 +11,7 @@
   - Table of contents links within the same note (e.g., `[Section](#old-heading)`) are now also updated when renaming headings
     - This is useful for notes with TOC sections that link to headings within the note
     - Same-note links are properly detected and updated alongside backlinks from other notes
+- Added more Korean, Spanish translation (thank you, venusgirl, alejandromoc)
 
 ## 26.2.1
 

src/languages/QOwnNotes_es.ts

@@ -2868,9 +2868,9 @@ Si la papelera está habilitada en su servidor ownCloud debería poder restaurar
 </message>
 <message numerus="yes">
 <source>Updated heading links in %n note(s)</source>
-<translation type="unfinished">
-<numerusform>Updated heading links in %n note(s)</numerusform>
-<numerusform>Updated heading links in %n note(s)</numerusform>
+<translation>
+<numerusform>Enlaces de encabezado actualizados en %n nota</numerusform>
+<numerusform>Enlaces de encabezado actualizados en %n notas</numerusform>
 </translation>
 </message>
 <message>
@@ -3672,7 +3672,7 @@ Si la papelera está habilitada en su servidor ownCloud debería poder restaurar
 </message>
 <message>
 <source>&amp;Rename heading</source>
-<translation type="unfinished">&amp;Rename heading</translation>
+<translation>&amp;Renombrar encabezado</translation>
 </message>
 </context>
 <context>

src/languages/QOwnNotes_ko.ts

@@ -2832,18 +2832,18 @@ ownCloud 서버에서 휴지통을 사용할 수 있는 경우 휴지통을 복
 </message>
 <message>
 <source>Update backlinks</source>
-<translation type="unfinished">Update backlinks</translation>
+<translation>백링크 업데이트</translation>
 </message>
 <message numerus="yes">
 <source>The heading "%1" is referenced in %n note(s). Do you want to update the link to use the new heading "%2"?</source>
-<translation type="unfinished">
-<numerusform>The heading "%1" is referenced in %n note(s). Do you want to update the link to use the new heading "%2"?</numerusform>
+<translation>
+<numerusform>제목 "%1"은 %n 노트에서 참조됩니다. 새 제목 "%2"를 사용하도록 링크를 업데이트하시겠습니까?</numerusform>
 </translation>
 </message>
 <message numerus="yes">
 <source>Updated heading links in %n note(s)</source>
-<translation type="unfinished">
-<numerusform>Updated heading links in %n note(s)</numerusform>
+<translation>
+<numerusform>%n 노트의 제목 링크가 업데이트되었습니다</numerusform>
 </translation>
 </message>
 <message>
@@ -3630,7 +3630,7 @@ ownCloud 서버에서 휴지통을 사용할 수 있는 경우 휴지통을 복
 </message>
 <message>
 <source>&amp;Rename heading</source>
-<translation type="unfinished">&amp;Rename heading</translation>
+<translation>이름 바꾸기(&amp;R)</translation>
 </message>
 </context>
 <context>