message: fix(docs): validation observer for advanced validation
diff: @@ -81,8 +81,8 @@ Here is a working snippet of the last example:
  <ValidationObserver>
  <StyledProvider
  - name="Password"
  - rules="required|password:confirmation"
  + name="password"
  + :rules="{required:true, password: { confirm }}"
  v-slot="{ errors }"
  >
  <input v-model="pass" type="password">
  @@ -306,10 +306,8 @@ export default {
  },
  mounted () {
  this.extendRule('password', {
  - validate: (value, { other }) => value === other,
  - params: [
  - { name: 'other', isTarget: true }
  - ],
  + validate: (value, {confirm}) => value === confirm,
  + params: ['confirm'],
  message: 'The password confirmation does not match.',
  });
  