Upgrade ESLint, fix many jsdoc warnings

eslint.config.mjs

@@ -0,0 +1,47 @@
+import jsdoc from 'eslint-plugin-jsdoc';
+import json from 'eslint-plugin-json';
+import globals from 'globals';
+import js from '@eslint/js';
+
+export default [
+    js.configs.recommended,
+    json.configs.recommended,
+    jsdoc.configs['flat/recommended'],
+    {
+        files: ['**/*.js'],
+        plugins: {
+            jsdoc,
+        },
+        rules: {
+            'jsdoc/require-param-description': 'off',
+            'jsdoc/require-returns-description': 'off',
+            'jsdoc/require-property-description': 'off',
+        }
+    },
+    {
+        languageOptions: {
+            globals: {
+                ...globals.node,
+            },
+
+            ecmaVersion: 'latest',
+            sourceType: 'module',
+        },
+
+        rules: {
+            indent: ['error', 4, {
+                SwitchCase: 1,
+            }],
+
+            'linebreak-style': ['error', 'unix'],
+
+            'no-unused-vars': ['error', {
+                vars: 'all',
+                args: 'none',
+                ignoreRestSiblings: false,
+            }],
+
+            semi: ['error', 'always'],
+        },
+    }
+];

index.js

@@ -7,6 +7,9 @@ import RestEventManagerEventManager from './src/events/rest/RestEventManager.js'
 import commandManager from './src/commands/CommandManager.js';
 import IntervalManager from './src/interval/IntervalManager.js';
 
+/**
+ *
+ */
 async function start() {
     await logger.debug('Loading settings');
     await config.load();
@@ -34,7 +37,7 @@ start().catch(async (error) => {
         await logger.critical('Bot crashed', error);
     }
     catch (e) {
-        console.error('Failed to send fatal error to monitoring');
+        console.error('Failed to send fatal error to monitoring', e);
     }
     console.error(error);
     process.exit(1);