Allow users to create accounts and securely access the application

Adds user registration functionality and updates login logic in LoginPage.tsx.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 556aa286-edd2-4cea-8583-f4fc3cfd119b
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/81470e0d-8ae8-4335-9301-cd9a69e670fa/96467e4f-00f2-4d88-82b1-142a9b24784c.jpg

client/src/App.tsx

@@ -16,7 +16,7 @@ function Router() {
     <Switch>
       <Route path="/" component={LandingPage} />
       <Route path="/login" component={LoginPage} />
-      {/* <Route path="/onboarding" component={OnboardingPage} /> */}
+      <Route path="/register" component={LoginPage} />
       <Route path="/dashboard" component={DashboardPage} />
       <Route component={NotFound} />
     </Switch>