chore: lift components folder

src/FormGroup/FormGroup.svelte

@@ -0,0 +1,21 @@
+<script>
+  export let legendText = "";
+  export let invalid = false;
+  export let message = false;
+  export let messageText = "";
+</script>
+
+<fieldset
+  data-invalid={invalid || undefined}
+  class:bx--fieldset={true}
+  {...$$restProps}
+  on:click
+  on:mouseover
+  on:mouseenter
+  on:mouseleave>
+  <legend class:bx--label={true}>{legendText}</legend>
+  <slot />
+  {#if message}
+    <div class:bx--form__requirement={true}>{messageText}</div>
+  {/if}
+</fieldset>

src/FormGroup/index.js

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+export { default as FormGroup } from "./FormGroup.svelte";