Added sign out button to user page

front/src/components/SignOut.tsx

@@ -0,0 +1,22 @@
+import { Navbar } from 'react-bootstrap'
+import { Link } from 'react-router-dom'
+import { CSSProperties } from 'react'
+
+import { clearToken } from '../utils/auth'
+
+import signOutIcon from '../assets/signOut.svg'
+
+const styles = {
+    rightIcon: {
+        marginLeft: '1rem',
+        marginRight: 0
+    } as CSSProperties,
+}
+
+const SignOut = () => (
+    <Navbar.Brand style={styles.rightIcon} as={Link} to='/'>
+        <img onClick={clearToken} src={signOutIcon} alt='Выйти' />
+    </Navbar.Brand>
+)
+
+export default SignOut