feat: server lint import & order (#750)

server/.eslintrc.js

@@ -5,7 +5,7 @@ module.exports = {
     tsconfigRootDir : __dirname, 
     sourceType: 'module',
   },
-  plugins: ['@typescript-eslint/eslint-plugin'],
+  plugins: ['@typescript-eslint/eslint-plugin', 'import'],
   extends: [
     'plugin:@typescript-eslint/recommended',
     'plugin:prettier/recommended',
@@ -22,5 +22,57 @@ module.exports = {
     '@typescript-eslint/explicit-module-boundary-types': 'off',
     '@typescript-eslint/no-explicit-any': 'off',
     'func-style':['error', 'declaration', { 'allowArrowFunctions': true }],
+    'no-restricted-imports': [
+      'error',
+      {
+        'patterns': [
+          {
+            'group': ['**../'],
+            'message': 'Relative imports are not allowed.',
+          },
+        ],
+      },
+    ],
+    'import/order': [
+      'error',
+      {
+        'newlines-between': 'always',
+        groups: [
+          'builtin',
+          'external',
+          'internal',
+          'type',
+          'parent',
+          'sibling',
+          'object',
+          'index',
+        ],
+        pathGroups: [
+          {
+            pattern: '@nestjs/**',
+            group: 'builtin',
+            position: 'before',
+          },
+          {
+            pattern: '**/interfaces/**',
+            group: 'type',
+            position: 'before',
+          },
+          {
+            pattern: 'src/**',
+            group: 'parent',
+            position: 'before',
+          },
+          {
+            pattern: './*',
+            group: 'sibling',
+            position: 'before',
+          },
+        ],
+        distinctGroup: true,
+        warnOnUnassignedImports: true,
+        pathGroupsExcludedImportTypes: ['@nestjs/**'],
+      },
+    ],
   },
 };