chore: add locale cfg and missing include for cfn_sorter

tools/cfn_sorter.cpp

@@ -3,6 +3,7 @@
 #include <vector>
 #include <algorithm>
 #include <locale>
+#include <string.h>
 
 #define CFN_ONLY
 #define SKIP

tools/cfn_sorter.sh

@@ -5,6 +5,10 @@ set -e
 
 # Required locales (check your system and install if needed):
 
+# Linux:
+# apt update && apt install locales
+# locale-gen zh_CN.UTF-8 cs_CZ.UTF-8 da_DK.UTF-8 de_DE.UTF-8 es_ES.UTF-8 en_US.UTF-8 fi_FI.UTF-8 fr_FR.UTF-8 he_IL.UTF-8 it_IT.UTF-8 ja_JP.UTF-8 nl_NL.UTF-8 pl_PL.UTF-8 pt_PT.UTF-8 ru_RU.UTF-8 sv_SE.UTF-8 zh_TW.UTF-8 uk_UA.UTF-8
+
 # zh_CN.UTF-8 / zh_CN.utf8
 # cs_CZ.UTF-8 / cs_CZ.utf8
 # da_DK.UTF-8 / da_DK.utf8