Add g+e keyboard shortcut for /explore (trending) (#38014)

app/javascript/mastodon/components/hotkeys/hotkeys.stories.tsx

@@ -50,6 +50,9 @@ const hotkeyTest: Story['play'] = async ({ canvas, userEvent }) => {
   await userEvent.keyboard('gh');
   await confirmHotkey('goToHome');
 
+  await userEvent.keyboard('ge');
+  await confirmHotkey('goToExplore');
+
   await userEvent.keyboard('gn');
   await confirmHotkey('goToNotifications');
 
@@ -106,6 +109,9 @@ export const Default = {
       goToHome: () => {
         setMatchedHotkey('goToHome');
       },
+      goToExplore: () => {
+        setMatchedHotkey('goToExplore');
+      },
       goToNotifications: () => {
         setMatchedHotkey('goToNotifications');
       },

app/javascript/mastodon/components/hotkeys/index.tsx

@@ -118,6 +118,7 @@ const hotkeyMatcherMap = {
   openMedia: just('e'),
   onTranslate: just('t'),
   goToHome: sequence('g', 'h'),
+  goToExplore: sequence('g', 'e'),
   goToNotifications: sequence('g', 'n'),
   goToLocal: sequence('g', 'l'),
   goToFederated: sequence('g', 't'),