feat: Add Discord logging support

- Added Discord webhook URL to .env.example
- Included 'marvinlabs/laravel-discord-logger' in composer.json
- Created config file for Discord logger settings

config/discord-logger.php

@@ -0,0 +1,61 @@
+<?php
+
+return [
+
+    /*
+     * The author of the log messages. You can set both to null to keep the Webhook author set in Discord
+     */
+    'from'       => [
+        'name'       => env('APP_NAME', 'Heimerdinger Logger'),
+        'avatar_url' => null,
+    ],
+
+    /**
+     * The converter to use to turn a log record into a discord message
+     *
+     * Bundled converters:
+     * - \MarvinLabs\DiscordLogger\Converters\SimpleRecordConverter::class
+     * - \MarvinLabs\DiscordLogger\Converters\RichRecordConverter::class
+     */
+    'converter'  => \MarvinLabs\DiscordLogger\Converters\RichRecordConverter::class,
+
+    /**
+     * If enabled, stacktraces will be attached as files. If not, stacktraces will be directly printed out in the
+     * message.
+     *
+     * Valid values are:
+     *
+     * - 'smart': when stacktrace is less than 2000 characters, it is inlined with the message, else attached as file
+     * - 'file': stacktrace is always attached as file
+     * - 'inline': stacktrace is always inlined with the message, truncated if necessary
+     */
+    'stacktrace' => 'smart',
+
+    /*
+     * A set of colors to associate to the different log levels when using the `RichRecordConverter`
+     */
+    'colors'     => [
+        'DEBUG'     => 0x607d8b,
+        'INFO'      => 0x4caf50,
+        'NOTICE'    => 0x2196f3,
+        'WARNING'   => 0xff9800,
+        'ERROR'     => 0xf44336,
+        'CRITICAL'  => 0xe91e63,
+        'ALERT'     => 0x673ab7,
+        'EMERGENCY' => 0x9c27b0,
+    ],
+
+    /*
+     * A set of emojis to associate to the different log levels. Set to null to disable an emoji for a given level
+     */
+    'emojis'     => [
+        'DEBUG'     => ':beetle:',
+        'INFO'      => ':bulb:',
+        'NOTICE'    => ':wink:',
+        'WARNING'   => ':flushed:',
+        'ERROR'     => ':poop:',
+        'CRITICAL'  => ':imp:',
+        'ALERT'     => ':japanese_ogre:',
+        'EMERGENCY' => ':skull:',
+    ],
+];