fix: license text

Author: elliotwutingfeng

LICENSE

@@ -8,9 +8,11 @@ met:
 
 1. Redistributions of source code must retain the above copyright
 notice, this list of conditions and the following disclaimer.
+
 2. Redistributions in binary form must reproduce the above copyright
 notice, this list of conditions and the following disclaimer in the
 documentation and/or other materials provided with the distribution.
+
 3. The name of the author may not be used to endorse or promote products
 derived from this software without specific prior written permission.