dynamic plugin system, toast notifications, board delete, gitea-sync plugin rewrite, granular locking fixes

plugins/gitea-sync/manifest.json

@@ -0,0 +1,22 @@
+{
+  "name": "gitea-sync",
+  "version": "1.0.0",
+  "description": "Syncs public repositories from a Gitea instance as feedback boards",
+  "author": "echoboard",
+  "entryPoint": "index.js",
+  "configSchema": [
+    {
+      "key": "profileUrl",
+      "type": "text",
+      "label": "Gitea profile URL",
+      "placeholder": "https://git.example.com/username",
+      "required": true
+    },
+    {
+      "key": "token",
+      "type": "password",
+      "label": "API token",
+      "placeholder": "Leave empty for public repos only"
+    }
+  ]
+}