WEB-51 fix: migrate from .eslintrc.json to eslint.config.js due to Eslint 9.22 deprecation (#2326)

* WEB-51 fix: migrate from .eslintrc.json to eslint.config.js due to ESLint 9.22 deprecation

* update package.json

Author: gkbishnoi07

.eslintrc.json

@@ -0,0 +1,73 @@
+// eslint.config.js
+const angularEslintPlugin = require('@angular-eslint/eslint-plugin');
+const angularEslintTemplatePlugin = require('@angular-eslint/eslint-plugin-template');
+const angularTemplateParser = require('@angular-eslint/template-parser');
+const tseslint = require('@typescript-eslint/eslint-plugin');
+const tsParser = require('@typescript-eslint/parser');
+
+module.exports = [
+  {
+    ignores: ['projects/**/*']
+  },
+
+  // TS files configuration
+  {
+    files: ['**/*.ts'],
+    languageOptions: {
+      parser: tsParser,
+      parserOptions: {
+        project: [
+          'tsconfig.json',
+          'e2e/tsconfig.json'
+        ],
+        createDefaultProgram: true
+      }
+    },
+    plugins: {
+      '@angular-eslint': angularEslintPlugin,
+      '@angular-eslint/template': angularEslintTemplatePlugin,
+      '@typescript-eslint': tseslint
+    },
+    rules: {
+      // Angular recommended rules
+      ...angularEslintPlugin.configs.recommended.rules,
+
+      // Angular template inline rules
+      ...angularEslintTemplatePlugin.configs['process-inline-templates'].rules,
+
+      // Component selector rules
+      '@angular-eslint/component-selector': [
+        'error',
+        {
+          prefix: 'mifosx',
+          style: 'kebab-case',
+          type: 'element'
+        }
+      ],
+      '@angular-eslint/directive-selector': [
+        'error',
+        {
+          prefix: 'mifosx',
+          style: 'camelCase',
+          type: 'attribute'
+        }
+      ]
+    }
+  },
+
+  // HTML files configuration
+  {
+    files: ['**/*.html'],
+    languageOptions: {
+      parser: angularTemplateParser
+    },
+    plugins: {
+      '@angular-eslint': angularEslintPlugin,
+      '@angular-eslint/template': angularEslintTemplatePlugin
+    },
+    rules: {
+      // Angular template recommended rules
+      ...angularEslintTemplatePlugin.configs.recommended.rules
+    }
+  }
+];