chore: add instructiosn on how to use clang tidy script
diff --git a/build_clang_tidy.sh b/build_clang_tidy.sh
index 2c06dca..443da24 100755
--- a/build_clang_tidy.sh
+++ b/build_clang_tidy.sh
@@ -1,7 +1,9 @@
 #!/bin/sh
 
-export CC=clang-10
-export CXX=clang++-10
+# sudo apt install clang clang-tidy
+
+export CC=clang
+export CXX=clang++
 rm -rf build
 mkdir build
 cd build