feat: implement react-router-dom and add authentication pages for registration, verification, and activation

frontend/src/pages/Activate.tsx

@@ -0,0 +1,7 @@
+export default function Activate() {
+    return (
+        <div>
+            <h1>Activate</h1>
+        </div>
+    );
+}

frontend/src/pages/Home.tsx

@@ -0,0 +1,7 @@
+export default function Home() {
+    return (
+        <div>
+            <h1>Pi. Ku.</h1>
+        </div>
+    );
+}

frontend/src/pages/Register.tsx

@@ -0,0 +1,7 @@
+export default function Register() {
+    return (
+        <div>
+            <h1>Register</h1>
+        </div>
+    );
+}

frontend/src/pages/VerifyEmail.tsx

@@ -0,0 +1,7 @@
+export default function VerifyEmail() {
+    return (
+        <div>
+            <h1>Verify Email</h1>
+        </div>
+    );
+}