changed top to default Feature not included formatting

Rules---IF-ELSE-ELSEIF-and-AND-OR-Support.md

@@ -1,6 +1,10 @@
-By default, Both EXPRESSION and IF support is disabled. In order to enable IF support, please add these lines in `user_config_override.h`:  
+**This feature is not included in precompiled binaries.**    
-- `#define USE_EXPRESSION` // Add support for expression evaluation in rules (+3k2 code, +64 bytes mem)  
+To use it you must [compile your build](compile-your-build). Add the following to `user_config_override.h`:
-- `#define SUPPORT_IF_STATEMENT` // Add support for IF statement in rules (+4k2 code, -332 bytes mem)  
+```
+#define USE_EXPRESSION         // Add support for expression evaluation in rules (+3k2 code, +64 bytes mem)  
+#define SUPPORT_IF_STATEMENT   // Add support for IF statement in rules (+4k2 code, -332 bytes mem)  
+```
+----
 
 ## Major features  
 - Support IF, ELSEIF, ELSE