backups: add wiki link

html/admin.html

@@ -336,6 +336,7 @@
                     <ul>
                         <li>{{ .strings.backupsCopy }}</li>
                         <li>{{ .strings.backupsFormatNote }}</li>
+                        <li><a target="_blank" href="https://wiki.jfa-go.com/docs/backups/">{{ .strings.wikiPage }}</a></li>
                     </ul>
                 </div>
                 <div class="flex flex-row flex-wrap my-2">

lang/admin/en-us.json

@@ -192,7 +192,8 @@
         "backupNow": "Backup Now",
         "backupCreated": "Backup created",
         "backupCanBeFound": "The backup can be found on the server at {filepath}.",
-        "backupCanDownload": "Alternatively, click below to download the backup."
+        "backupCanDownload": "Alternatively, click below to download the backup.",
+        "wikiPage": "Wiki Page"
     },
     "notifications": {
         "pathCopied": "Full path copied to clipboard.",