configurable auto-sync interval for gitea plugin

plugins/gitea-sync/manifest.json

@@ -1,6 +1,6 @@
 {
   "name": "gitea-sync",
-  "version": "1.0.0",
+  "version": "1.1.0",
   "description": "Syncs public repositories from a Gitea instance as feedback boards",
   "author": "echoboard",
   "entryPoint": "index.js",
@@ -17,6 +17,20 @@
       "type": "password",
       "label": "API token",
       "placeholder": "Leave empty for public repos only"
+    },
+    {
+      "key": "syncInterval",
+      "type": "select",
+      "label": "Auto-sync interval",
+      "options": [
+        { "value": "off", "label": "Off - manual only" },
+        { "value": "15", "label": "Every 15 minutes" },
+        { "value": "30", "label": "Every 30 minutes" },
+        { "value": "60", "label": "Every hour" },
+        { "value": "360", "label": "Every 6 hours" },
+        { "value": "720", "label": "Every 12 hours" },
+        { "value": "1440", "label": "Every 24 hours" }
+      ]
     }
   ]
 }