feat: inherit attrs to Textarea + fix Input label color (#245)

* feat: add more attributes to Textarea

* refactor: use `inheritAttrs` option to simplify code

* fix: `Input` label color in dark mode

docs/components/textarea/examples/FwbTextareaExampleFormId.vue

@@ -0,0 +1,36 @@
+<template>
+  <div class="flex flex-col gap-y-4">
+    <form
+      id="fwb-textarea-example-form-id"
+      class="vp-raw"
+      @submit.prevent
+    >
+      <fwb-input
+        v-model="inputMessage"
+        label="Input inside the form"
+        placeholder="Write your message..."
+      />
+      <fwb-button
+        class="mt-2"
+        type="submit"
+      >
+        Validate
+      </fwb-button>
+    </form>
+    <fwb-textarea
+      v-model="textareaMessage"
+      label="Textarea outside the form"
+      form="fwb-textarea-example-form-id"
+      minlength="20"
+      required
+    />
+  </div>
+</template>
+
+<script setup>
+import { ref } from 'vue'
+import { FwbButton, FwbInput, FwbTextarea } from '../../../../src/index'
+
+const inputMessage = ref('')
+const textareaMessage = ref('')
+</script>