chore: update readme and changelog

Author: Wybxc

CHANGELOG.md

@@ -11,42 +11,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
-- update lexer type definitions in examples for consistency
-- change the API of tokens
-- first lexer+parser example
-- type pattern and literal in parser syntax
-- enhance parser and lexer with literal parsing capabilities
-- refactor lexer and parser interfaces for improved type handling
-- basic lexer support
-- lexer example (developing...)
-- lexer basis
-- lexer syntax
-
-### Other
-
-- update tests
-- add documentation
+- lexer generator
 
 ## [0.2.0](https://github.com/Wybxc/parse-it/compare/parse-it-v0.1.0...parse-it-v0.2.0) - 2025-07-14
 
 ### Added
 
-- [**breaking**] remove logos feature
 - add debug support to parsing context and configuration
-- add Logos lexer support
-
-### Fixed
-
-- calc_logos example
-
-### Other
-
-- enhance stdin handling in Brainfuck example
-- use in-line format (suggested by clippy)
-- unify parsing method names and update documentation
-- simplify span handling in ParserState
-- refactor imports for consistency and readability
-- update parser and lexer to use mutable state references
 
 ## [0.1.0](https://github.com/Wybxc/parse-it/releases/tag/parse-it-v0.1.0) - 2025-02-18
 

README.md

@@ -52,7 +52,7 @@ fn main() {
 ## Planned features
 
 - [x] Parser generation
-- [ ] Lexer generation
+- [x] Lexer generation
 - [ ] Error reporting
 - [ ] Error recovery
 - [ ] Grammar lints