how to get current user detail in lwc
<template>
<lightning-card title="Current Logged User Information">
<template if:true={objUser}>
<dl class="slds-list_horizontal slds-wrap" style="margin-left: 3%;">
<dt class="slds-item_label slds-truncate" title="First Name">First Name:</dt>
<dd class="slds-item_detail slds-truncate"><b>{objUser.FirstName}</b></dd>
<dt class="slds-item_label slds-truncate" title="Last Name">Last Name:</dt>
<dd class="slds-item_detail slds-truncate"><b>{objUser.LastName}</b></dd>
<dt class="slds-item_label slds-truncate" title="Full Name">Name:</dt>
<dd class="slds-item_detail slds-truncate"><b>{objUser.Name}</b></dd>
<dt class="slds-item_label slds-truncate" title="Alias">Alias:</dt>
<dd class="slds-item_detail slds-truncate"><b>{objUser.Alias}</b></dd>
<dt class="slds-item_label slds-truncate" title="Active">Is Active:</dt>
<dd class="slds-item_detail slds-truncate"><b>{objUser.IsActive}</b></dd>
</dl>
</template>
</lightning-card>
</template>