feat: new timezone converter, just three inputs for time, your timezone and the destination timezone, design is analogous to the other converters

frontend/src/app/tmz-converter/page.tsx

@@ -0,0 +1,103 @@
+"use client";
+import React, { useState } from "react";
+import Navbar from "../../components/Navbar";
+import Footer from "../../components/Footer";
+import Button from "../../components/Button";
+
+export default function DocConverter() {
+  const [loading, setLoading] = useState(false);
+  const [convertedTMZ, setConvertedTMZ] = useState("");
+
+  const convertTMZ = async () => {
+    setLoading(true);
+
+    const time = (document.getElementById("time") as HTMLInputElement).value;
+    const fromZone = (document.getElementById("fromZone") as HTMLInputElement)
+      .value;
+    const toZone = (document.getElementById("toZone") as HTMLInputElement)
+      .value;
+
+    try {
+      const response = await fetch(
+        process.env.backend_url + "/api/tmz-convert",
+        {
+          method: "POST",
+          headers: {
+            "Content-Type": "application/json",
+          },
+          body: JSON.stringify({
+            time: time,
+            fromZone: fromZone,
+            toZone: toZone,
+          }),
+        },
+      );
+      if (!response.ok) {
+        return new Error(`Error: ${response.statusText}`);
+      }
+      const output: string = await response.text();
+      setConvertedTMZ(output);
+    } catch (error) {
+      console.error("Error while converting:", error);
+      alert("Error while converting");
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  return (
+    <div className="w-screen h-auto min-h-screen bg-black text-white font-noto flex flex-col items-center">
+      <Navbar renderHomeLink={true} />
+      <div className="w-screen h-auto min-h-[calc(100vh-80px-60px)] flex flex-1 flex-col items-center justify-center">
+        <h2 className="text-5xl font-bold text-white mb-16">tmz-converter</h2>
+        <h3 className="text-3xl font-bold text-white">Example:</h3>
+        <div className="h-8 flex flex-row items-center justify-center gap-4 mt-3">
+          <p className="text-white text-xl">Time: 2025-02-20T15:30:00</p>
+          <p className="text-white text-xl">From TMZ: America/New_York</p>
+          <p className="text-white text-xl">To TMZ: Europe/Berlin</p>
+        </div>
+        <p className="text-xl text-white mb-3">
+          Output: 2025-02-20T21:30:00.000+01:00
+        </p>
+        <div className="h-24 flex flex-row items-center justify-center gap-4">
+          <input
+            className="h-10 w-64 p-2 rounded-xl text-white bg-black border-2 border-white text-center"
+            type="text"
+            id="time"
+            placeholder="Enter Time!"
+          />
+          <input
+            className="h-10 w-64 p-2 rounded-xl text-white bg-black border-2 border-white text-center"
+            type="text"
+            id="fromZone"
+            placeholder="Enter your TMZ!"
+          />
+          <input
+            className="h-10 w-64 p-2 rounded-xl text-white bg-black border-2 border-white text-center"
+            type="text"
+            id="toZone"
+            placeholder="Enter destination TMZ!"
+          />
+        </div>
+        <div className={"flex flex-row items-center gap-4 mt-1 mb-10"}>
+          <Button
+            content={
+              loading ? (
+                <div className="h-10 w-10 border-8 border-blue-100 border-t-blue-500 rounded-full animate-spin" />
+              ) : (
+                "convert"
+              )
+            }
+            onClick={convertTMZ}
+          />
+        </div>
+        <div className="p-3 rounded-xl text-center">
+          <output id="output" className="text-blue-400 text-3xl">
+            {convertedTMZ}
+          </output>
+        </div>
+      </div>
+      <Footer className="flex justify-center items-end" />
+    </div>
+  );
+}