Add search issues to help menu

menus/darwin.cson

@@ -194,6 +194,7 @@
       { label: 'Roadmap', command: 'application:open-roadmap' }
       { label: 'Frequently Asked Questions', command: 'application:open-faq' }
       { label: 'Report Issue', command: 'application:report-issue' }
+      { label: 'Search Issues', command: 'application:search-issues' }
       { type: 'separator' }
     ]
   }

menus/linux.cson

@@ -151,6 +151,7 @@
       { label: 'Roadmap', command: 'application:open-roadmap' }
       { label: 'Frequently Asked Questions', command: 'application:open-faq' }
       { label: 'Report Issue', command: 'application:report-issue' }
+      { label: 'Search Issues', command: 'application:search-issues' }
       { type: 'separator' }
     ]
   }

menus/win32.cson

@@ -169,6 +169,7 @@
       { label: 'Roadmap', command: 'application:open-roadmap' }
       { label: 'Frequently Asked Questions', command: 'application:open-faq' }
       { label: 'Report Issue', command: 'application:report-issue' }
+      { label: 'Search Issues', command: 'application:search-issues' }
       { type: 'separator' }
     ]
   }