SEL-473: Add lint rule for BUSL headers (#698)

* chore(app): enforce license header via eslint

* update lock and order

* fix formatting

app/.eslintrc.cjs

@@ -5,12 +5,17 @@ module.exports = {
     'plugin:prettier/recommended',
     'plugin:jest/recommended',
   ],
-  plugins: ['simple-import-sort', 'prettier', 'jest'],
+  plugins: ['header', 'jest', 'prettier', 'simple-import-sort'],
   ignorePatterns: ['ios/', 'android/', 'deployments/', 'node_modules/'],
   rules: {
     // Import sorting rules
     'simple-import-sort/imports': 'warn',
     'simple-import-sort/exports': 'warn',
+    'header/header': [
+      2,
+      'line',
+      ' SPDX-License-Identifier: BUSL-1.1; Copyright (c) 2025 Social Connect Labs, Inc.; Licensed under BUSL-1.1 (see LICENSE); Apache-2.0 from 2029-06-11',
+    ],
 
     // Add prettier rule to show prettier errors as ESLint errors
     'prettier/prettier': [

app/ios/Podfile.lock

@@ -1811,9 +1811,9 @@ PODS:
   - segment-analytics-react-native (2.21.1):
     - React-Core
     - sovran-react-native
-  - Sentry (8.52.1):
-    - Sentry/Core (= 8.52.1)
-  - Sentry/Core (8.52.1)
+  - Sentry (8.53.1):
+    - Sentry/Core (= 8.53.1)
+  - Sentry/Core (8.53.1)
   - Sentry/HybridSDK (8.48.0)
   - SentryPrivate (8.21.0)
   - SocketRocket (0.7.0)

app/package.json

@@ -139,6 +139,7 @@
     "@types/react-test-renderer": "^18",
     "eslint": "^8.19.0",
     "eslint-config-prettier": "^10.1.2",
+    "eslint-plugin-header": "^3.1.1",
     "eslint-plugin-jest": "^28.11.1",
     "eslint-plugin-prettier": "^5.2.6",
     "eslint-plugin-simple-import-sort": "^12.1.1",