add commands to readme

and re-name commands

app/Console/Commands/SyncDailyChange.php

@@ -0,0 +1,43 @@
+<?php
+
+namespace App\Console\Commands;
+
+use App\Models\Holding;
+use Illuminate\Console\Command;
+
+class SyncDailyChange extends Command
+{
+    /**
+     * The name and signature of the console command.
+     *
+     * @var string
+     */
+    protected $signature = 'sync:daily-change';
+
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = 'Re-calculates daily snapshots of your portfolio\'s daily performance. Use discretion as this is a resource intensive command.';
+
+    /**
+     * Create a new command instance.
+     *
+     * @return void
+     */
+    public function __construct()
+    {
+        parent::__construct();
+    }
+
+    /**
+     * Execute the console command.
+     *
+     * @return int
+     */
+    public function handle()
+    {
+        //
+    }
+}