JS: Upated npm deps, upgraded eslint, new eslint config

Upgraded eslint to 11, removed incompatible airbnb config as part of
process. ESlint config now in its own file.

eslint.config.mjs

@@ -0,0 +1,64 @@
+import globals from 'globals';
+import js from '@eslint/js';
+
+export default [
+    js.configs.recommended,
+    {
+        ignores: ['resources/**/*-stub.js', 'resources/**/*.ts'],
+    }, {
+        languageOptions: {
+            globals: {
+                ...globals.browser,
+            },
+
+            ecmaVersion: 'latest',
+            sourceType: 'module',
+        },
+
+        rules: {
+            indent: ['error', 4],
+            'arrow-parens': ['error', 'as-needed'],
+
+            'padded-blocks': ['error', {
+                blocks: 'never',
+                classes: 'always',
+            }],
+
+            'object-curly-spacing': ['error', 'never'],
+
+            'space-before-function-paren': ['error', {
+                anonymous: 'never',
+                named: 'never',
+                asyncArrow: 'always',
+            }],
+
+            'import/prefer-default-export': 'off',
+
+            'no-plusplus': ['error', {
+                allowForLoopAfterthoughts: true,
+            }],
+
+            'arrow-body-style': 'off',
+            'no-restricted-syntax': 'off',
+            'no-continue': 'off',
+            'prefer-destructuring': 'off',
+            'class-methods-use-this': 'off',
+            'no-param-reassign': 'off',
+
+            'no-console': ['warn', {
+                allow: ['error', 'warn'],
+            }],
+
+            'no-new': 'off',
+
+            'max-len': ['error', {
+                code: 110,
+                tabWidth: 4,
+                ignoreUrls: true,
+                ignoreComments: false,
+                ignoreRegExpLiterals: true,
+                ignoreStrings: true,
+                ignoreTemplateLiterals: true,
+            }],
+        },
+    }];