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/system.go

@@ -0,0 +1,24 @@
+package admin
+
+import (
+	"context"
+
+	authsvc "encore.app/auth"
+	profilessvc "encore.app/profiles"
+)
+
+type SystemOptionsResponse struct {
+	Roles    []authsvc.RoleOption       `json:"roles"`
+	Statuses []profilessvc.StatusOption `json:"statuses"`
+}
+
+// GetSystemOptions returns the valid roles and profile statuses, each with a
+// display name and underlying value, for use in admin UI dropdowns.
+//
+//encore:api auth method=GET path=/admin/system/options
+func GetSystemOptions(ctx context.Context) (*SystemOptionsResponse, error) {
+	return &SystemOptionsResponse{
+		Roles:    authsvc.Roles(),
+		Statuses: profilessvc.Statuses(),
+	}, nil
+}