refactor: update images

Author: mrholek

public/avatars/1.jpg renamed to src/assets/images/avatars/1.jpg

@@ -22,11 +22,13 @@ import {
 } from '@coreui/icons'
 import CIcon from '@coreui/icons-react'
 
+import avatar8 from './../../assets/images/avatars/8.jpg'
+
 const AppHeaderDropdown = () => {
   return (
     <CDropdown variant="nav-item">
       <CDropdownToggle placement="bottom-end" className="py-0" caret={false}>
-        <CAvatar src="/avatars/8.jpg" size="md" />
+        <CAvatar src={avatar8} size="md" />
       </CDropdownToggle>
       <CDropdownMenu className="pt-0" placement="bottom-end">
         <CDropdownHeader className="bg-light fw-semibold py-2">Account</CDropdownHeader>