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)/admin/create-user-dialog.tsx

@@ -0,0 +1,80 @@
+'use client'
+
+import { useState } from 'react'
+import { Button } from '@/components/ui/button'
+import {
+  Dialog,
+  DialogContent,
+  DialogDescription,
+  DialogHeader,
+  DialogTitle,
+  DialogTrigger,
+  DialogFooter,
+} from '@/components/ui/dialog'
+import { Input } from '@/components/ui/input'
+import { Plus } from 'lucide-react'
+import { createUser } from '@/app/actions/admin'
+import { toast } from 'sonner'
+import { useLanguage } from '@/lib/i18n'
+
+export function CreateUserDialog() {
+  const [open, setOpen] = useState(false)
+  const { t } = useLanguage()
+  
+  return (
+    <Dialog open={open} onOpenChange={setOpen}>
+      <DialogTrigger asChild>
+        <Button>
+          <Plus className="mr-2 h-4 w-4" /> {t('admin.users.addUser')}
+        </Button>
+      </DialogTrigger>
+      <DialogContent className="sm:max-w-[425px]">
+        <DialogHeader>
+          <DialogTitle>{t('admin.users.createUser')}</DialogTitle>
+          <DialogDescription>
+            {t('admin.users.createUserDescription')}
+          </DialogDescription>
+        </DialogHeader>
+        <form
+          action={async (formData) => {
+            const result = await createUser(formData)
+            if (result?.error) {
+              toast.error(t('admin.users.createFailed'))
+            } else {
+              toast.success(t('admin.users.createSuccess'))
+              setOpen(false)
+            }
+          }}
+          className="grid gap-4 py-4"
+        >
+          <div className="grid gap-2">
+            <label htmlFor="name">{t('admin.users.name')}</label>
+            <Input id="name" name="name" required />
+          </div>
+          <div className="grid gap-2">
+            <label htmlFor="email">{t('admin.users.email')}</label>
+            <Input id="email" name="email" type="email" required />
+          </div>
+          <div className="grid gap-2">
+            <label htmlFor="password">{t('admin.users.password')}</label>
+            <Input id="password" name="password" type="password" required minLength={6} />
+          </div>
+          <div className="grid gap-2">
+            <label htmlFor="role">{t('admin.users.role')}</label>
+            <select
+              id="role"
+              name="role"
+              className="flex h-9 w-full rounded-md border border-input bg-transparent px-3 py-1 text-sm shadow-sm transition-colors file:border-0 file:bg-transparent file:text-sm file:font-medium placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring disabled:cursor-not-allowed disabled:opacity-50"
+            >
+              <option value="USER">{t('admin.users.roles.user')}</option>
+              <option value="ADMIN">{t('admin.users.roles.admin')}</option>
+            </select>
+          </div>
+          <DialogFooter>
+            <Button type="submit">{t('admin.users.createUser')}</Button>
+          </DialogFooter>
+        </form>
+      </DialogContent>
+    </Dialog>
+  )
+}