Add Oxlint configuration and integrate linting commands

- Introduced a new `.oxlintrc.json` file to configure Oxlint for code quality checks.
- Updated `package.json` to include linting scripts (`lint` and `lint:fix`) for easier code maintenance.
- Enhanced documentation in `README` files to guide users on running Oxlint checks and applying fixes.

.oxlintrc.json

@@ -0,0 +1,12 @@
+{
+  "$schema": "./node_modules/oxlint/configuration_schema.json",
+  "ignorePatterns": [
+    "coverage/**",
+    "data/**",
+    "dist/**",
+    "docs/**",
+    "node_modules/**",
+    "out/**",
+    ".tmp/**"
+  ]
+}