FEATURE: add commands for creating new user and changing password of existing one.

This commit adds two new artisan commants user:new and user:change-password.

app/Console/Commands/ChangePassword.php

@@ -0,0 +1,48 @@
+<?php
+
+namespace App\Console\Commands;
+
+use App\Models\User;
+use Illuminate\Console\Command;
+use Illuminate\Database\Eloquent\ModelNotFoundException;
+use Illuminate\Support\Facades\Hash;
+
+class ChangePassword extends Command
+{
+    /**
+     * The name and signature of the console command.
+     *
+     * @var string
+     */
+    protected $signature = 'user:change-password {userID} {newPassword}';
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = 'Change password for user with given ID';
+
+    /**
+     * Execute the console command.
+     *
+     * @return mixed
+     */
+    public function handle()
+    {
+        $id = $this->argument('userID');
+        $newPassword = $this->argument('newPassword');
+
+        try {
+            $user = User::findOrFail($id);
+        } catch (ModelNotFoundException $e) {
+            $this->error('Invalid user ID ' . $id . '. Please see table `users` for correct IDs.');
+            exit(1);
+        }
+
+        // set new password
+        $user->password = Hash::make($newPassword);
+        $user->save();
+
+        $this->info('Password successfully changed.');
+    }
+}