feat: eslint license header plugin

configuration/eslint-config/index.js

@@ -22,7 +22,7 @@ const config = {
         'plugin:unicorn/recommended',
         'prettier',
       ],
-      plugins: ['eslint-plugin-unicorn', 'eslint-plugin-jsdoc'],
+      plugins: ['eslint-plugin-unicorn', 'eslint-plugin-jsdoc', 'header'],
       settings: {
         jsdoc: {
           mode: 'typescript',
@@ -36,6 +36,7 @@ const config = {
         'unicorn/prefer-node-protocol': 'off',
         'unicorn/no-process-exit': 'off',
         'unicorn/no-array-reduce': 'off',
+        'unicorn/prefer-event-target': 'off',
         'unicorn/prevent-abbreviations': [
           'error',
           {
@@ -77,6 +78,27 @@ const config = {
           },
         ],
 
+        'header/header': [
+          2,
+          'block',
+          [
+            '',
+            ' * Copyright (C) 2023 StApps',
+            ' * This program is free software: you can redistribute it and/or modify it',
+            ' * under the terms of the GNU General Public License as published by the Free',
+            ' * Software Foundation, version 3.',
+            ' *',
+            ' * This program is distributed in the hope that it will be useful, but WITHOUT',
+            ' * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or',
+            ' * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for',
+            ' * more details.',
+            ' *',
+            ' * You should have received a copy of the GNU General Public License along with',
+            ' * this program. If not, see <https://www.gnu.org/licenses/>.',
+            ' ',
+          ],
+        ],
+
         '@typescript-eslint/explicit-module-boundary-types': 'off',
         '@typescript-eslint/no-unused-vars': [
           'error',