feat: implement user profile management with avatars, login, and personal data

- Add avatar upload functionality with public URL access.
- Implement user login with email and password authentication.
- Create endpoints for fetching and updating the authenticated user's profile.
- Set up database migrations for user profiles, including email and role management.
- Introduce personal data management linked to user profiles.
- Add email verification process with welcome email templates.

admin/middleware.go

@@ -0,0 +1,23 @@
+package admin
+
+import (
+	authsvc "encore.app/auth"
+	"encore.dev/beta/auth"
+	"encore.dev/beta/errs"
+	"encore.dev/middleware"
+)
+
+// RequireAdmin ensures the caller is logged in and has the admin role
+// before any endpoint in this service runs.
+//
+//encore:middleware target=all
+func RequireAdmin(req middleware.Request, next middleware.Next) middleware.Response {
+	if _, ok := auth.UserID(); !ok {
+		return middleware.Response{Err: &errs.Error{Code: errs.Unauthenticated, Message: "must be logged in"}}
+	}
+	data, _ := auth.Data().(*authsvc.AuthData)
+	if data == nil || !data.Role.IsAdmin() {
+		return middleware.Response{Err: &errs.Error{Code: errs.PermissionDenied, Message: "admin role required"}}
+	}
+	return next(req)
+}