added api shutdown check

static-data/www/board/index.html

@@ -20,6 +20,7 @@
     <script defer src='/shared/navbar.js'></script>
     <script defer src="/shared/useridenticons.js"></script>
     <script defer src='/shared/misc.js'></script>
+    <script defer src="/shared/main/apicheck.js"></script>
     <script defer src="detect-plaintext-storage.js"></script>
     <script defer src='sethumanreadable.js'></script>
     <script defer src="default-circle-picker.js"></script>

static-data/www/mail/index.html

@@ -15,6 +15,7 @@
     <script defer src='/shared/node_modules/pnotify/dist/iife/PNotify.js'></script>
     <script defer src='/shared/node_modules/pnotify/dist/iife/PNotifyButtons.js'></script>
     <script defer src='/shared/navbar.js'></script>
+    <script defer src="/shared/main/apicheck.js"></script>
     <script defer src='/shared/misc.js'></script>
     <script defer src='/mail/sethumanreadable.js'></script>
     <script defer src='/mail/mail.js'></script>

static-data/www/private/index.html

@@ -21,6 +21,7 @@
     <script defer src="/shared/panel.js"></script>
     <script defer src="/shared/configeditor.js"></script>
     <script defer src="/shared/sites.js"></script>
+    <script defer src="/shared/main/apicheck.js"></script>
     <script defer src="/private/js/console.js"></script>
     <script defer src="/private/js/motd.js"></script>
     <script>alert("Content security policy appears to not be working. Your browser security is weak!")</script>