[AFP-97] ♻️ Refactor Nav auth link to be dynamic + cleanup AuthPage & App (@asegers)

src/App.tsx

-import React from 'react';
-import MainRouter from 'router/MainRouter';
+import { MainRouter }  from 'router';
 
 function App() {
   return (

src/components/Nav.tsx

-import React from 'react'
+import React, { useMemo} from 'react'
 import { Link } from 'react-router-dom'
-
+import {useGoogleAuth} from 'hooks'
 const Nav = () => {
+    const { isSignedIn, signOut, signIn } = useGoogleAuth();
+
+    const handleAuth = () => { isSignedIn ? signOut() : signIn();}
+
+    const authLinkText = useMemo(() => isSignedIn ? "Logout" : "Login", [isSignedIn]);
+
+
     return (
         <header className="nav-bar" role="navigation">
             <div className="order-management">Order Management Console PRO</div>
             <ul className="nav-list">
                 <li><Link className="nav-link" to="/orders">All orders</Link></li>
                 <li><Link className="nav-link" to="/account">(account logo here)</Link></li>
-                <li><Link className="nav-link" to="/">Login / Logout</Link></li>
+                <li><button onClick={handleAuth}>{authLinkText}</button></li>
             </ul>
         </header>
     )

src/pages/AuthPage.tsx

-import React from 'react'
-import { LoginForm } from 'components';
-import { GoogleLogin } from 'react-google-login';
-
 const AuthPage = () => {
-    const responseGoogle = (response: any) => {
-        // console.log(response)
-        // console.log(response.profileObj);
-        // console.log(response.tokenObj);
-
-        const {email, familyName:lastName, givenName:firstName, googleId, imageUrl} = response.profileObj;
-        return ({
-            email,
-            firstName,
-            lastName,
-            googleId,
-            imageUrl
-        })
-    }
-
     return (
         <div>
-            <GoogleLogin
-                clientId="925243198137-hhe2e3ejlethf321hh7tbm7ontc19cpj.apps.googleusercontent.com"
-                buttonText="Login"
-                onSuccess={responseGoogle}
-                onFailure={responseGoogle}
-                cookiePolicy={'single_host_origin'}
-            />
+            <h1>Welcome</h1>
         </div>
     )
 }
 
 export default AuthPage
\ No newline at end of file
-
-/*
-Google Successful OAuth response (The parts we want to keep, anyway):
-response => 
-    response.profileObj = {
-        email: "kkaminski@nisum.com",
-        familyName: "Kaminski",
-        givenName: "Kevin",
-        googleId: "104324023295177405903",
-        imageUrl: "https://lh3.googleusercontent.com/a/AATXAJymxbs98AGxOFCVUCpV9pEwpxx1JWR6XZqKXe8b=s96-c",
-        name: "Kevin Kaminski"
-    }
-
-    response.tokenObj = {
-        access_token: "ya2...LCe",
-        expires_at: 1620238821414,
-        expires_in: 3599,
-        first_issued_at: 1620235222414,
-        id_token: "eyJhbGciOiJSUzI1NiIs...yXc6HOG97FF6eF1AU0Oh8w",
-        idpId: "google",
-        login_hint: "AJDLj6J...RcffTyHTSIHVKSQ",
-        scope: "email profile https://www.googleapis.com/auth/userinfo.email openid https://www.googleapis.com/auth/userinfo.profile",
-        session_state: {
-            extraQueryParams: {
-                authuser: 2
-            }
-        },
-        token_type: "bearer"
-    }
-
-
-*/