feat(episodes): add create form and view pages for episode

- add james-heinrich/getid3 library as a dependency to composer.json
- update DEPENDENCIES.md file
- fix episodes table migration script
- add js devDependencies: prettier, @prettier/plugin-php and lint-staged to automatically format staged files before commit
- reformat all files to the prettier format
- refactor code by separating some logic as helper functions
- overwrite existing files when uploading new files with the same name

fixes #1

app/Controllers/BaseController.php

@@ -1,4 +1,5 @@
 <?php
+
 namespace App\Controllers;
 
 /**
@@ -18,29 +19,30 @@ use CodeIgniter\Controller;
 
 class BaseController extends Controller
 {
+    /**
+     * An array of helpers to be loaded automatically upon
+     * class instantiation. These helpers will be available
+     * to all other controllers that extend BaseController.
+     *
+     * @var array
+     */
+    protected $helpers = [];
 
-	/**
-	 * An array of helpers to be loaded automatically upon
-	 * class instantiation. These helpers will be available
-	 * to all other controllers that extend BaseController.
-	 *
-	 * @var array
-	 */
-	protected $helpers = [];
-
-	/**
-	 * Constructor.
-	 */
-	public function initController(\CodeIgniter\HTTP\RequestInterface $request, \CodeIgniter\HTTP\ResponseInterface $response, \Psr\Log\LoggerInterface $logger)
-	{
-		// Do Not Edit This Line
-		parent::initController($request, $response, $logger);
-
-		//--------------------------------------------------------------------
-		// Preload any models, libraries, etc, here.
-		//--------------------------------------------------------------------
-		// E.g.:
-		// $this->session = \Config\Services::session();
-	}
+    /**
+     * Constructor.
+     */
+    public function initController(
+        \CodeIgniter\HTTP\RequestInterface $request,
+        \CodeIgniter\HTTP\ResponseInterface $response,
+        \Psr\Log\LoggerInterface $logger
+    ) {
+        // Do Not Edit This Line
+        parent::initController($request, $response, $logger);
 
+        //--------------------------------------------------------------------
+        // Preload any models, libraries, etc, here.
+        //--------------------------------------------------------------------
+        // E.g.:
+        // $this->session = \Config\Services::session();
+    }
 }