TypeScript upgrade 5.8.x

Also bumping eslint, jest ...
Migrate to new eslint config format

Author: jotak

web/.eslintignore

@@ -0,0 +1,30 @@
+import tsPlugin from '@typescript-eslint/eslint-plugin';
+import tsParser from '@typescript-eslint/parser';
+import reactPlugin from "eslint-plugin-react";
+
+export default [
+  reactPlugin.configs.flat.recommended,
+	{
+    languageOptions: {
+      parser: tsParser,
+    },
+    plugins: {
+      "@typescript-eslint": tsPlugin,
+    },
+    files: ['**/*.{ts,tsx}'],
+    rules: {
+      'max-len': ['warn', { code: 170 }],
+      'react-hooks/rules-of-hooks': 'error',
+      'react-hooks/exhaustive-deps': 'warn',
+      'react/prop-types': 'off',
+      '@typescript-eslint/no-empty-interface': 'off',
+      '@typescript-eslint/no-non-null-assertion': 'off',
+    },
+    settings: {
+      react: {
+        pragma: 'React',
+        version: 'detect'
+      }
+    }
+  },
+];