CLI-31 Add license headers

Author: nquinquenel

LICENSE

@@ -14,4 +14,4 @@ Lesser General Public License for more details.
 
 You should have received a copy of the GNU Lesser General Public License
 along with this program; if not, write to the Free Software Foundation,
-Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

eslint.config.js

@@ -1,13 +1,26 @@
 // @ts-check
 import tseslint from 'typescript-eslint';
 import prettierConfig from 'eslint-config-prettier';
+import headersPlugin from 'eslint-plugin-headers';
 
 export default tseslint.config(
   // Global ignores
   {
     ignores: ['dist/**', 'node_modules/**', 'coverage/**', 'scripts/**', 'plop-templates/**'],
   },
 
+  // License header enforcement
+  {
+    files: ['src/**/*.ts'],
+    plugins: { headers: headersPlugin },
+    rules: {
+      'headers/header-format': ['error', {
+        source: 'file',
+        path: 'LICENSE',
+        blockPrefix: '\n'
+      }],
+    },
+  },
   // Base TypeScript config for source files
   {
     files: ['src/**/*.ts'],

package-lock.json

@@ -59,6 +59,8 @@
     "ajv": "^8.18.0",
     "eslint": "^10.0.2",
     "eslint-config-prettier": "^10.1.8",
+    "eslint-plugin-headers": "^1.3.4",
+    "husky": "9.1.7",
     "js-yaml": "^4.1.1",
     "plop": "^4.0.5",
     "prettier": "^3.8.1",