Rename to Grimoired, update domain to grimoi.red, add resource system

- Rename Grimaired -> Grimoired everywhere (title, nav, descriptions, token keys)
- Update domain from skills.here.run.place to grimoi.red
- Add Grimoired logo with description on homepage
- Add accordion behavior for Quick install / Quick push sections
- Add generic resource system (skills, agents, output-styles, rules)
- Add resource registry, editor, search, and file manager components

astro.config.mjs

@@ -4,7 +4,7 @@ import vue from '@astrojs/vue';
 import tailwindcss from '@tailwindcss/vite';
 
 export default defineConfig({
-  site: process.env.SITE_URL || 'https://skills.here.run.place',
+  site: process.env.SITE_URL || 'https://grimoi.red',
   output: 'server',
   adapter: node({ mode: 'standalone' }),
   integrations: [vue()],