Fix formatting of CMake build instructions in README

Signed-off-by: SJkar <tranduong22112010@gmail.com>

Author: JkarVN

README.md

@@ -60,7 +60,6 @@ make test
 ### Modern CMake (All Platforms)
 This is the recommended way to build and integrate the library:
 
-```bash
 ```bash
 cmake -S . -B build
 cmake --build build