Refactor .solcover.js to use ES module syntax and add ESLint configur…

…ation for improved code quality

.solcover.js

@@ -1,3 +1 @@
-module.exports = {
-    skipFiles: ['mocks'],
-};
+export const skipFiles = ['mocks'];

eslint.config.mjs

@@ -0,0 +1,21 @@
+import eslint from '@eslint/js';
+import tseslint from '@typescript-eslint/eslint-plugin';
+import tsParser from '@typescript-eslint/parser';
+import importPlugin from 'eslint-plugin-import';
+
+export default [
+    eslint.configs.recommended,
+    {
+        languageOptions: {
+            parser: tsParser,
+            parserOptions: {
+                ecmaVersion: 'latest',
+                sourceType: 'module',
+            },
+        },
+        plugins: {
+            '@typescript-eslint': tseslint,
+            import: importPlugin,
+        },
+    },
+];