feat: timlin for tag title

i18n/en_US.yaml

@@ -1215,11 +1215,12 @@ ui:
     reopened: reopened
     created: created
     title: "History for"
+    tag_title: "Timeline for"
     show_votes: "Show votes"
     n_or_a: N/A
     title_for_question: "Timeline for"
     title_for_answer: "Timeline for answers to {{ title }} by {{ author }}"
-    title_for_tag: "Title for tag"
+    title_for_tag: "Timeline for tag"
     datetime: Datetime
     type: Type
     by: By

ui/src/pages/Timeline/index.tsx

@@ -73,7 +73,9 @@ const Index: FC = () => {
       <Row className="py-3 justify-content-center">
         <Col xxl={10}>
           <h5 className="mb-4">
-            {t('title')}{' '}
+            {timelineData?.object_info.object_type === 'tag'
+              ? t('tag_title')
+              : t('title')}{' '}
             <Link to={linkUrl}>{timelineData?.object_info?.title}</Link>
           </h5>
           {timelineData?.object_info.object_type !== 'tag' && (