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/FwbTextareaExampleDisabled.vue

@@ -0,0 +1,36 @@
+<template>
+  <form
+    class="vp-raw"
+    @submit.prevent
+  >
+    <fwb-textarea
+      v-model="message"
+      label="Textarea with minlength 10 and maxlength 20"
+      minlength="10"
+      maxlength="20"
+      required
+    />
+    <fwb-textarea
+      v-model="message"
+      label="Disabled textarea"
+      placeholder="Cannot be edited"
+      disabled
+    />
+    <fwb-textarea
+      v-model="message"
+      label="Readonly textarea"
+      placeholder="Cannot be edited"
+      readonly
+    />
+    <fwb-button type="submit">
+      Validate
+    </fwb-button>
+  </form>
+</template>
+
+<script setup>
+import { ref } from 'vue'
+import { FwbButton, FwbTextarea } from '../../../../src/index'
+
+const message = ref('Edit me!')
+</script>