Added backend and refactored frond-end to support it.

* Removed unecesery home page
* Added PHP Api that provides auth and replaces the json-server for data storage
* Added support for alternate geocode-api
* Added registration  page

api/config/auth.php

@@ -0,0 +1,3 @@
+<?php
+
+$AllowUserRegistration = true;

api/config/db.php.example

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+<?php
+
+$host = 'localhost';
+$dbname = 'ttapi';
+$username = 'ttapi';
+$password = '';      
+
+try {
+    $pdo = new PDO("mysql:host=$host;dbname=$dbname", $username, $password);
+    $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
+} catch (PDOException $e) {
+    echo "Connection failed: " . $e->getMessage();
+}

api/config/geocode.php.example

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+<?php
+
+$geocodeType = 'bigdatacloud'; //bigdatacloud or photon
+$geocodeApikey = false; //false to disable or enter api key between quotes to enable auth for the api call (key is send as 'X-Api-Key' header ) 
+$geocodeApiurl = 'https://api.bigdatacloud.net/data/reverse-geocode-client'; //Set url of the geoip Api

api/config/headers.php

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+<?php
+//Use for Dev environment
+/* 
+header("Access-Control-Allow-Origin: http://localhost:5173");
+header('Access-Control-Allow-Credentials: true');
+header('Access-Control-Allow-Headers: Content-Type');
+header('Access-Control-Allow-Methods: GET, POST, OPTIONS,DELETE');
+*/