release: v1.2.1 — login captcha, docs site, and bug fixes

Add slider captcha for web login, VitePress documentation on GitHub Pages,
and fixes for gallery delete refresh, pagination jump, and copy-format persistence.

eslint.config.mjs

@@ -2,5 +2,8 @@
 import withNuxt from './.nuxt/eslint.config.mjs'
 
 export default withNuxt(
+  {
+    ignores: ['docs-site/**']
+  }
   // Your custom configs here
 )