feat: add slider element

packages/ui/src/lib/elements/Slider.svelte

@@ -0,0 +1,9 @@
+<script lang="ts">
+  export let value: number = 0;
+  export let min = 0;
+  export let max = 10;
+  export let step = 0.1;
+  export let id: string;
+</script>
+
+<input type="range" {id} bind:value {min} {max} {step} />