chore: clean up repo for public release

- Remove BMAD framework, IDE configs, dev screenshots, test files,
  internal docs, and backup files
- Rename keep-notes/ to memento-note/
- Update all references from keep-notes to memento-note
- Add Apache 2.0 license with Commons Clause (non-commercial restriction)
- Add clean .gitignore and .env.docker.example

memento-note/app/(main)/settings/mcp/page.tsx

@@ -0,0 +1,23 @@
+import { auth } from '@/auth'
+import { redirect } from 'next/navigation'
+import { McpSettingsPanel } from '@/components/mcp/mcp-settings-panel'
+import { listMcpKeys, getMcpServerStatus } from '@/app/actions/mcp-keys'
+
+export default async function McpSettingsPage() {
+  const session = await auth()
+
+  if (!session?.user) {
+    redirect('/api/auth/signin')
+  }
+
+  const [keys, serverStatus] = await Promise.all([
+    listMcpKeys(),
+    getMcpServerStatus(),
+  ])
+
+  return (
+    <div className="space-y-6">
+      <McpSettingsPanel initialKeys={keys} serverStatus={serverStatus} />
+    </div>
+  )
+}