docs: simplify README by removing badges and development section

- Remove Packagist badges (not yet published)
- Remove development section (composer scripts info)
- Keep README focused on usage and API reference

Author: valbeat

README.md

@@ -1,9 +1,5 @@
 # PHP Result
 
-[![Latest Stable Version](https://poser.pugx.org/valbeat/result/v)](https://packagist.org/packages/valbeat/result)
-[![License](https://poser.pugx.org/valbeat/result/license)](https://packagist.org/packages/valbeat/result)
-[![PHP Version Require](https://poser.pugx.org/valbeat/result/require/php)](https://packagist.org/packages/valbeat/result)
-
 A Result type implementation for PHP inspired by Rust's `Result<T, E>` type.
 
 This library provides a robust way to handle operations that might fail, without relying on exceptions. It encourages explicit error handling and makes it impossible to accidentally ignore errors.
@@ -152,23 +148,6 @@ All Result types (both Ok and Err) implement these methods:
 #### Pattern Matching
 - `match(callable $okFn, callable $errFn): mixed` - Pattern match on the Result
 
-## Development
-
-### Running Tests
-```bash
-composer test
-```
-
-### Static Analysis
-```bash
-composer phpstan
-```
-
-### Run All Checks
-```bash
-composer check
-```
-
 ## License
 
 This project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details.