style: add license comments

Signed-off-by: Ar Rakin <rakinar2@onesoftnet.eu.org>

Author: virtual-designer

src/core/module.c

@@ -1,3 +1,22 @@
+/*
+ * This file is part of OSN freehttpd.
+ * 
+ * Copyright (C) 2025  OSN Developers.
+ *
+ * OSN freehttpd is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * OSN freehttpd 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 Affero General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Affero General Public License
+ * along with OSN freehttpd.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 #define _GNU_SOURCE
 
 #include <dirent.h>

src/core/module.h

@@ -1,3 +1,22 @@
+/*
+ * This file is part of OSN freehttpd.
+ * 
+ * Copyright (C) 2025  OSN Developers.
+ *
+ * OSN freehttpd is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * OSN freehttpd 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 Affero General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Affero General Public License
+ * along with OSN freehttpd.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 #ifndef FH_MODULE_H
 #define FH_MODULE_H
 

src/modules/mod_foo.c

@@ -1,3 +1,22 @@
+/*
+ * This file is part of OSN freehttpd.
+ * 
+ * Copyright (C) 2025  OSN Developers.
+ *
+ * OSN freehttpd is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * OSN freehttpd 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 Affero General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Affero General Public License
+ * along with OSN freehttpd.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>