Add new views and styles for music application

- Created new CSS files for styling the application, including home.css and style.css.
- Implemented 403 and 404 error views with appropriate messages and navigation.
- Developed a dump view to display deleted elements with restoration options.
- Enhanced home view to include music search functionality and display results.
- Added listplay view for managing music playlists, including creation and deletion options.
- Implemented loadmusic view for uploading new music with necessary fields.
- Created login and register views for user authentication.
- Developed sound view to display individual music tracks with playback controls and options for liking and deleting.
- Updated menu view to include navigation links based on user authentication status.

request/post/loadmusic.post.php

@@ -0,0 +1,28 @@
+<?php
+$sound = [];
+
+$ext = explode('.', $_FILES['fileMusic']['name']);
+$ext = $ext[count($ext)-1];
+
+$sound['nameMusic'] = $_POST['txtTitle'];
+$sound['formatMusic'] = $_FILES['fileMusic']['type'];
+$sound['fileNameMusic']= md5($_POST['txtTitle'] . time());
+$sound['fileSizeMusic'] = $_FILES['fileMusic']['size'];
+$sound['descriptionMusic'] = $_POST['txtDescription'];
+$sound['authorMusic'] = $_POST['txtAuthor'];
+$sound['idGenner'] = $_POST['genner'];
+$sound['idUser'] = Session::getUserID();
+
+$message = 'Archivo cargado con exito.';
+$color = 'success';
+
+if(in_array(strtoupper($ext), ['WAV', 'AIFF','AU','FLAC','MPEG-4','SHORTEN','TTA','ATRAC','APPLE', 'LOSSLESS','MP3','VORBIS','MUSEPACK','AAC','WMA','OPUS','OGG','DSD','MQA'])){
+    $music->newMusic($sound);
+    $fileName = "{$assets['SOUND']['PATH_DIR']}/{$sound['fileNameMusic']}.$ext";
+    move_uploaded_file($_FILES['fileMusic']['tmp_name'], $fileName);
+}else{
+    $message = 'Formato no válido!';
+    $color = 'danger';
+}
+
+header("location: ./?view=$view&message=$message&action=$color");