[Glitch] Add dynamic document title to WebUI

Port part of 43b5d5e38d to glitch-soc

Signed-off-by: Claire <claire.github-309c@sitedethib.com>

app/javascript/flavours/glitch/features/explore/index.js

@@ -12,6 +12,8 @@ import Suggestions from './suggestions';
 import Search from 'flavours/glitch/features/compose/containers/search_container';
 import SearchResults from './results';
 import { showTrends } from 'flavours/glitch/util/initial_state';
+import { Helmet } from 'react-helmet';
+import { title } from 'flavours/glitch/util/initial_state';
 
 const messages = defineMessages({
   title: { id: 'explore.title', defaultMessage: 'Explore' },
@@ -82,6 +84,10 @@ class Explore extends React.PureComponent {
                 <Route path='/explore/suggestions' component={Suggestions} />
                 <Route exact path={['/explore', '/explore/posts', '/search']} component={Statuses} componentParams={{ multiColumn }} />
               </Switch>
+
+              <Helmet>
+                <title>{intl.formatMessage(messages.title)} - {title}</title>
+              </Helmet>
             </React.Fragment>
           )}
         </div>