Bump Version auf 0.3.0

Neue Features seit 0.2.0:
- CI/CD Pipeline mit automatischen Builds
- Shell-Completions für Bash, Zsh und Fish
- Professionelle Manpage
- Farbige Terminal-Ausgabe
- 13 Integration-Tests

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

CHANGELOG.md

@@ -5,6 +5,34 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.3.0] - 2025-02-10
+
+### Added
+- **CI/CD Pipeline**: Automated testing and release builds via GitHub Actions
+  - CI workflow: Tests on Rust stable and beta, Clippy, rustfmt checks
+  - Release workflow: Multi-platform builds (Linux x86_64, Linux musl, macOS Intel, macOS ARM)
+- **Shell Completions**: Auto-completion support for all major shells
+  - Bash completion (`completions/ntu.bash`)
+  - Zsh completion (`completions/_ntu`)
+  - Fish completion (`completions/ntu.fish`)
+- **Manpage**: Professional manual page (`man/ntu.1`) with full documentation
+- **Colored Output**: Terminal colors for better visual feedback
+  - Green for successful renames
+  - Yellow for dry-run mode
+  - Red for errors
+  - Cyan/bold for statistics
+  - `--no-color` flag to disable colors
+- **Integration Tests**: 13 comprehensive integration tests using `assert_cmd`
+- **README**: Installation instructions for pre-built binaries, badges (CI, Release, Version, License)
+
+### Changed
+- Improved `.gitignore` with better organization
+- Better error messages with colored output
+- Updated test framework to use modern `cargo_bin!` macro
+
+### Fixed
+- Removed unused `warn` import
+
 ## [0.2.0] - 2025-02-10
 
 ### Added

Cargo.lock

@@ -4,7 +4,7 @@ version = 4
 
 [[package]]
 name = "NameToUnix"
-version = "0.2.0"
+version = "0.3.0"
 dependencies = [
  "anyhow",
  "assert_cmd",

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "NameToUnix"
-version = "0.2.0"
+version = "0.3.0"
 edition = "2021"
 authors = ["Dieter Schlüter <dieter.schlueter@linix.de>"]
 description = "Ein Tool zum Anpassen von Verzeichnis- und Dateinamen an Linux-Konventionen"

man/ntu.1

@@ -1,4 +1,4 @@
-.TH NTU 1 "2025-02-10" "NameToUnix 0.2.0" "User Commands"
+.TH NTU 1 "2025-02-10" "NameToUnix 0.3.0" "User Commands"
 .SH NAME
 ntu \- sanitize file and directory names to Unix conventions
 .SH SYNOPSIS