rewriting readme

Author: dzhibas

README.md

@@ -1,9 +1,10 @@
-# Boolean expression parser in Nom for feature flagging solution
+# Flagfile
 
-Same as pest parser written with pest.rs here https://github.com/dzhibas/bool_expr_parser but parsed with NOM
+it's developer friendly feature flagging solution where you define all your flags in Flagfile in this format: [Flagfile.example](Flagfile.example)
 
-Lets say you have activation rule likes this:
+its boolean expression parser library which was initially written in pest.rs (https://github.com/dzhibas/bool_expr_parser) and later rewrote everything in Nom rust lib
 
+Feature rules can be describe in a expresions similar to all developers and DevOps and does not need any intermediate json format to express these
 ```
 country == NL and created > 2024-02-15 and userId not in (122133, 122132323, 2323423)
 ```
@@ -16,7 +17,3 @@ dbg!(flag_value);
 ```
 
 eventually this lib compiles into wasm and used in UI to validate and parse rules, and with FFI exported into other languages to parse and evaluate rules
-
-### Vision for Flagfile example
-
-Please take a look at format and supported features in [Flagfile.example](Flagfile.example)