fix: SetupRequired middleware exempts health, static, and API routes (closes #108)

internal/middleware/middleware.go

@@ -411,8 +411,14 @@ func (m *Middleware) SetupRequired() func(http.Handler) http.Handler {
 			}
 
 			if setupRequired {
-				// Allow access to setup page
+				path := request.URL.Path
-				if request.URL.Path == "/setup" {
+
+				// Allow access to setup page, health endpoint, static
+				// assets, and API routes even before setup is complete.
+				if path == "/setup" ||
+					path == "/health" ||
+					strings.HasPrefix(path, "/s/") ||
+					strings.HasPrefix(path, "/api/") {
 					next.ServeHTTP(writer, request)
 
 					return