chore: created eslint.config.js file

.eslintignore

@@ -0,0 +1,9 @@
+node_modules
+dist
+coverage
+*.d.ts
+style/**/*.js
+jupyterlab_latex/labextension/static/*.js
+lib/**/*.js
+src/error.tsx
+eslint.config.js

eslint.config.js

@@ -0,0 +1,25 @@
+module.exports = {
+  overrides: [
+    {
+      files: ["**/*.ts", "**/*.tsx"],
+      parser: '@typescript-eslint/parser',
+      parserOptions: {
+        project: 'tsconfig.json',
+        sourceType: 'module',
+      },
+      plugins: ['@typescript-eslint'],
+      rules: {
+        // TypeScript rules here
+      },
+    },
+    {
+      files: ["**/*.js"],
+      parserOptions: {
+        // No project option needed for JS files
+      },
+      rules: {
+        // JavaScript rules here
+      },
+    }
+  ]
+};