fix: ensure README ends with newline

Author: vizzdoom

README.md

@@ -3,4 +3,4 @@
 ## Project website: https://vizzdoom.github.io/sqlmap-command-builder/
 
 Interactive command line generator for conducting advanced SQLMap pentests.
-This project works locally with pure HTML/JS/CSS (no data exchanged to any server).
+This project works locally with pure HTML/JS/CSS (no data exchanged to any server).