add masodlagos ertekek at level 1 for 2E create character

Kemkas.Web/frontend/src/shared/Header.tsx

@@ -17,7 +17,7 @@ function Header(props: {}) {
         <Navbar expand="sm" className="navbar-light bg-white border-bottom box-shadow mb-3">
             <Container className="ps-4 pe-4">
                 <Navbar.Brand href="/">Kemkas</Navbar.Brand>
-                <Nav.Link className="text-dark" href="/karaktereim">Karaktereim</Nav.Link>
+                {fetchedUser.data != null && <Nav.Link className="text-dark" href="/karaktereim">Karaktereim</Nav.Link>}
                 <Navbar.Toggle aria-controls="basic-navbar-nav" />
                 <Navbar.Collapse id="basic-navbar-nav" className="d-sm-inline-flex flex-sm-row-reverse">
                     <Nav>

Kemkas.Web/frontend/src/shared/components/Helpers.tsx

@@ -0,0 +1,3 @@
+export function SignedNumberToText(val: number) : string {
+    return val === 0 ? " 0" : (val > 0 ? '+'+val : val.toString())
+}