add Alert and several things in animation

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

@@ -0,0 +1,30 @@
+package dev.inmo.jsuikit.elements
+
+import androidx.compose.runtime.Composable
+import dev.inmo.jsuikit.buildAndAddAttribute
+import dev.inmo.jsuikit.modifiers.UIKitAnimation
+import dev.inmo.jsuikit.utils.Attrs
+import dev.inmo.jsuikit.utils.Milliseconds
+import org.jetbrains.compose.web.dom.ContentBuilder
+import org.jetbrains.compose.web.dom.Div
+import org.w3c.dom.HTMLDivElement
+
+@Composable
+fun Alert(
+    attrs: Attrs<HTMLDivElement>,
+    animation: UIKitAnimation? = UIKitAnimation.Fade,
+    duration: Milliseconds? = null,
+    selClose: String? = null,
+    content: ContentBuilder<HTMLDivElement>
+) = Div(
+    {
+        attrs.builder(this)
+
+        buildAndAddAttribute("uk-alert") {
+            "animation" to animation ?.classes ?.firstOrNull()
+            "duration" to duration
+            "sel-close" to selClose
+        }
+    },
+    content
+)