now project is multiplatform and correctly working

src/jsMain/kotlin/dev/inmo/jsuikit/elements/Nav.kt

@@ -0,0 +1,52 @@
+package dev.inmo.jsuikit.elements
+
+import androidx.compose.runtime.Composable
+import dev.inmo.jsuikit.buildAndAddAttribute
+import dev.inmo.jsuikit.modifiers.*
+import dev.inmo.jsuikit.utils.Milliseconds
+import org.jetbrains.compose.web.dom.*
+import org.w3c.dom.HTMLLIElement
+import org.w3c.dom.HTMLUListElement
+
+@Composable
+fun Nav(
+    vararg modifiers: UIKitModifier,
+    multiple: Boolean? = null,
+    collapsible: Boolean? = null,
+    animation: UIKitAnimation? = null,
+    duration: Milliseconds? = null,
+    attributesCustomizer: AttrBuilderContext<HTMLUListElement> = {},
+    dataAllocator: ContentBuilder<HTMLUListElement>
+) {
+    Ul(
+        {
+            buildAndAddAttribute("uk-nav") {
+                "multiple" to multiple ?.toString()
+                "collapsible" to collapsible ?.toString()
+                "animation" to animation
+                "duration" to duration ?.toString()
+            }
+            classes("uk-nav")
+            include(*modifiers)
+            attributesCustomizer()
+        }
+    ) {
+        dataAllocator()
+    }
+}
+
+@Composable
+fun NavElement(
+    vararg modifiers: UIKitModifier,
+    attributesCustomizer: AttrBuilderContext<HTMLLIElement> = {},
+    contentAllocator: ContentBuilder<HTMLLIElement>
+) {
+    Li(
+        {
+            include(*modifiers)
+            attributesCustomizer
+        }
+    ) {
+        contentAllocator()
+    }
+}